Prepare Release using 'release-plan'

Author: github-actions[bot]

release-plan-stderr.txt

@@ -0,0 +1,8 @@
+# Unlabeled Changes
+
+* `eslint-plugin-qunit-dom`
+  * [#448](https://github.com/mainmatter/eslint-plugin-qunit-dom/pull/448) start using release-plan ([@mansona](https://github.com/mansona))
+  * [#220](https://github.com/mainmatter/eslint-plugin-qunit-dom/pull/220) Rebrand simplabs to Mainmatter ([@BobrImperator](https://github.com/BobrImperator))
+
+
+*Cannot plan release until the above changes are labeled*.