[Backport #1907 to 5.x] Add support for 3.1 unevaluatedProperties support

[github-actions]

Automated backport of #1907 to branch 5.x.

Do not modify this pull request.

Fixes #1504

[github-actions]

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin backport-1907-to-5.x
git worktree add --checkout .worktree/backport-1907-to-5.x backport-1907-to-5.x
cd .worktree/backport-1907-to-5.x
git reset --hard HEAD^
git cherry-pick -x 283514048b9b20f7ea96d3697e78a09797c6885b
git push --force-with-lease

[github-actions]

Created backport PR for 5.x:

• [Backport #1908 to 5.x] [Backport #1907 to 5.x] Add support for 3.1 unevaluatedProperties support #1932 with remaining conflicts!

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin backport-1908-to-5.x
git worktree add --checkout .worktree/backport-1908-to-5.x backport-1908-to-5.x
cd .worktree/backport-1908-to-5.x
git reset --hard HEAD^
git cherry-pick -x 6724373ae73e2be3a63d42f2c23b5720e6407015 d2d5b3a2b0a9c1e00fe2993fc08577972e109930 d29f1efc6d11cc776c77dbf7b861f4017d578e17
git push --force-with-lease