Release process: fix incorrect instructions.

The role-release-automation user is a reporter only for tails/tails.

wiki/src/contribute/release_process.mdwn

@@ -1696,18 +1696,16 @@ you've just released:
 1. Verify there's a `missed:$VERSION` label
    on [[!tails_gitlab groups/tails/-/labels]]; if there's none,
    ask sysadmins to create one via `gitlab-config.git`.
-2. Visit the [[!tails_gitlab groups/tails/-/milestones desc="milestone"]]
-   for the version you've just released.
-3. In the right side bar, in the _Issues_ section, click on the _Open: NN_
-   link.
-4. Click the _Edit issues_ link in the top right corner.
-5. In the right side bar:
+2. Visit the [[!tails_gitlab tails/tails/-/issues desc="issues"]]
+   by filtering for the Milestone you've just released.
+3. Click the _Edit issues_ link in the top right corner.
+4. In the right side bar:
     - select the milestone for the next scheduled release
     - select the `missed:$VERSION` label
-6. On the top left of the list of issues, click the checkbox
+5. On the top left of the list of issues, click the checkbox
    that will select all issues.
-7. In the right side bar, click _Update all_.
-8. If some issues still appear on the list, go through these steps again:
+6. In the right side bar, click _Update all_.
+7. If some issues still appear on the list, go through these steps again:
    there's pagination involved and
    [[!tails_gitlab help/user/project/bulk_editing.html desc="bulk editing"]]
    only applies to issues that are displayed.