Merge branch '5.4' into 6.3

* 5.4:
  [Mailer] Fix usage of stream_set_timeout in case of microseconds
  [Console] Allow false as a $shortcut in InputOption
  Remove 6.3 EOLed from Github template
  Fix plurial of word ending by pus
  [Notifier][Smsapi] Better docs for .com endpoint
  Bump Symfony version to 5.4.36
  Update VERSION for 5.4.35
  Update CONTRIBUTORS for 5.4.35
  Update CHANGELOG for 5.4.35
  [Security] Update InteractiveAuthenticatorInterface description

Author: fabpot

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 | Q             | A
 | ------------- | ---
-| Branch?       | 7.1 for features / 5.4, 6.3, 6.4, or 7.0 for bug fixes <!-- see below -->
+| Branch?       | 7.1 for features / 5.4, 6.4, or 7.0 for bug fixes <!-- see below -->
 | Bug fix?      | yes/no
 | New feature?  | yes/no <!-- please update src/**/CHANGELOG.md files -->
 | Deprecations? | yes/no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->