Bump styfle/cancel-workflow-action from 0.11.0 to 0.12.0

Bumps [styfle/cancel-workflow-action](https://github.com/styfle/cancel-workflow-action) from 0.11.0 to 0.12.0.
- [Release notes](https://github.com/styfle/cancel-workflow-action/releases)
- [Commits](styfle/cancel-workflow-action@0.11.0...0.12.0)

---
updated-dependencies:
- dependency-name: styfle/cancel-workflow-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/tests.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: cancel previous runs
-        uses: styfle/cancel-workflow-action@0.11.0
+        uses: styfle/cancel-workflow-action@0.12.0
         with:
           access_token: ${{ github.token }}