Template to use for release PRs from `develop` to `stable`

PR for tracking changes for the x.x.x release. Target release date: DOW MONTH DAY YEAR.

Release checklist

Verify, and if necessary, update the allowed version ranges for various dependencies in the composer.json - PR #xxx
Add changelog for the release - PR #xxx :pencil2: Remember to add a release link at the bottom!
Update sniff list in README (if applicable) - PR #xxx.

Merge this PR
Make sure all CI builds are green.
Tag and create a release (careful, GH defaults to develop!) & copy & paste the changelog to it. :pencil2: Check if anything from the link collection at the bottom of the changelog needs to be copied in!
Make sure all CI builds are green.
Close the milestone
Open a new milestone for the next release
If any open PRs/issues which were milestoned for this release did not make it into the release, update their milestone.
Fast-forward develop to be equal to stable