Merge branch 'sysadmin-openpgp-key-update-due-to-expiry' into 'master'

Update sysadmins OpenPGP key due to expiry

See merge request !45

wiki/src/doc/about/openpgp_keys.mdwn

@@ -313,12 +313,12 @@ Purpose
 Key details
 -----------
 
-    pub   rsa4096/0x70F4F03116525F43 2012-08-23 [SC] [expires: 2020-02-17]
+    pub   rsa4096/0x70F4F03116525F43 2012-08-23 [SC] [expires: 2021-11-16]
           Key fingerprint = D113 CB6D 5131 D34B A5F0  FE9E 70F4 F031 1652 5F43
     uid                   [ unknown] Tails system administrators <tails-sysadmins@boum.org>
     uid                   [ unknown] Tails system administrators (schleuder list) <tails-sysadmins-owner@boum.org>
     uid                   [ unknown] Tails system administrators (schleuder list) <tails-sysadmins-request@boum.org>
-    sub   rsa4096/0x58BA940CCA0A30B4 2012-08-23 [E] [expires: 2020-02-17]
+    sub   rsa4096/0x58BA940CCA0A30B4 2012-08-23 [E] [expires: 2021-11-16]
 
 How to get the public key?
 --------------------------