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] <support@github.com>

.github/workflows/cancel.yml

@@ -9,7 +9,7 @@ jobs:
       - name: Get all workflow ids and set to env variable
         run: echo ::set-env name=WORKFLOW_IDS_TO_CANCEL::$(curl https://api.github.com/repos/${GITHUB_REPOSITORY}/actions/workflows -s | jq -r '.workflows | map(.id|tostring) | join(",")')
 
-      - uses: styfle/cancel-workflow-action@0.11.0
+      - uses: styfle/cancel-workflow-action@0.12.0
         with:
           workflow_id: ${{ env.WORKFLOW_IDS_TO_CANCEL }}
           access_token: ${{ secrets.GITHUB_TOKEN }}