build(deps): bump redhat-plumbers-in-action/devel-freezer

Bumps [redhat-plumbers-in-action/devel-freezer](https://github.com/redhat-plumbers-in-action/devel-freezer) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/redhat-plumbers-in-action/devel-freezer/releases)
- [Commits](396c94ba8c...ad766eafd5)

---
updated-dependencies:
- dependency-name: redhat-plumbers-in-action/devel-freezer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/development_freeze.yml

@@ -35,7 +35,7 @@ jobs:
           fetch-depth: 0
 
       - name: Development Freezer
-        uses: redhat-plumbers-in-action/devel-freezer@396c94ba8cb417474e6626c83a42addea210a403
+        uses: redhat-plumbers-in-action/devel-freezer@ad766eafd555b28d2cb8e27937835983f9c3d173
         with:
           pr-number: ${{ fromJSON(steps.artifact.outputs.pr-metadata-json).number }}
           # delay start of validation to allow for some milestone/labels tweaking