Merge branch '5.4' into 6.2

* 5.4:
  Update VERSION for 5.4.27
  Update CONTRIBUTORS for 5.4.27
  Update CHANGELOG for 5.4.27
  Revert "minor symfony#50885 [Finder] Fix children condition in ExcludeDirectoryFilterIterator (mvorisek)"
  CI: Disable Psalm's findUnusedBaselineEntry feature
  Remove 6.2 from the list of potential branch targets
  Bump Symfony version to 5.4.27
  Update VERSION for 5.4.26
  Update CONTRIBUTORS for 5.4.26
  Update CHANGELOG for 5.4.26
  Fix symfony/deprecation-contracts require

Author: nicolas-grekas

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 | Q             | A
 | ------------- | ---
-| Branch?       | 6.4 for features / 5.4, 6.2, or 6.3 for bug fixes <!-- see below -->
+| Branch?       | 6.4 for features / 5.4, or 6.3 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 -->