simplify workflow when adding an APT overlay

See merge request tails/tails!708

# Conflicts:
#   wiki/src/contribute/APT_repository/custom.mdwn

Insist on Tor Browser being offline (#18584)

Closes #18584

See merge request tails/tails!711

wiki/src/news/version_4.26.ar.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.ca.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.fa.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.id.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.pl.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.sr_Latn.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.tr.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.zh.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/news/version_4.26.zh_TW.po: adding as wiki/src/news/version_4.26.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.ar.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.ca.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.fa.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.id.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.pl.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.sr_Latn.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.tr.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.zh.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.
wiki/src/security/known_security_vulnerabilities_in_4.25.zh_TW.po: adding as wiki/src/security/known_security_vulnerabilities_in_4.25.de.po has added.

Currently translated at 100.0% (78 of 78 strings)

Translation: Tails/wiki/src/doc/anonymous_internet/tor.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocanonymous_internettorpo/fr/

Currently translated at 100.0% (21 of 21 strings)

Translation: Tails/wiki/src/news/2018-fundraiser.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcnews2018-fundraiserpo/fr/

Currently translated at 100.0% (19 of 19 strings)

Currently translated at 87.5% (7 of 8 strings)

wiki/src/doc/anonymous_internet/tor.ar.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.ca.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.fa.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.id.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.pl.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.sr_Latn.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.tr.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.zh.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.
wiki/src/doc/anonymous_internet/tor.zh_TW.po: updating as wiki/src/doc/anonymous_internet/tor.de.po has changed.

Currently translated at 61.5% (8 of 13 strings)

Translation: Tails/wiki/src/doc/anonymous_internet/tor/troubleshoot.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocanonymous_internettortroubleshootpo/it/

Currently translated at 100.0% (78 of 78 strings)

Translation: Tails/wiki/src/doc/anonymous_internet/tor.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocanonymous_internettorpo/it/

Currently translated at 100.0% (78 of 78 strings)

Translation: Tails/wiki/src/doc/anonymous_internet/tor.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocanonymous_internettorpo/it/

Currently translated at 100.0% (23 of 23 strings)

Translation: Tails/wiki/src/doc/about/warnings/tor.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocaboutwarningstorpo/it/

Currently translated at 25.0% (3 of 12 strings)

Translation: Tails/wiki/src/news/version_4.14/broken_upgrades.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcnewsversion_414broken_upgradespo/it/

Currently translated at 100.0% (36 of 36 strings)

Translation: Tails/wiki/src/doc/first_steps/start/pc.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocfirst_stepsstartpcpo/it/

Currently translated at 100.0% (36 of 36 strings)

Translation: Tails/wiki/src/doc/first_steps/start/pc.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocfirst_stepsstartpcpo/it/

Currently translated at 86.3% (19 of 22 strings)

Translation: Tails/wiki/src/doc/first_steps/start/mac.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocfirst_stepsstartmacpo/it/

Currently translated at 100.0% (6 of 6 strings)

Translation: Tails/wiki/src/home/donate.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrchomedonatepo/it/

Currently translated at 100.0% (22 of 22 strings)

Translation: Tails/wiki/src/doc/anonymous_internet/networkmanager/no-wifi.inline.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocanonymous_internetnetworkmanagerno-wifiinlinepo/it/

Currently translated at 100.0% (22 of 22 strings)

Translation: Tails/wiki/src/doc/anonymous_internet/networkmanager/no-wifi.inline.*.po
Translate-URL: https://translate.tails.boum.org/projects/tails/wikisrcdocanonymous_internetnetworkmanagerno-wifiinlinepo/it/

Currently translated at 50.0% (4 of 8 strings)