Bump ncipollo/release-action from 1.20.0 to 1.21.0

Bumps [ncipollo/release-action](https://github.com/ncipollo/release-action) from 1.20.0 to 1.21.0.
- [Release notes](https://github.com/ncipollo/release-action/releases)
- [Commits](ncipollo/release-action@v1.20.0...v1.21.0)

---
updated-dependencies:
- dependency-name: ncipollo/release-action
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/master.yml

@@ -49,7 +49,7 @@ jobs:
         ./monkey version | grep -F $(cat Tagfile)
         ./monkey --version | grep -F $(cat Tagfile)
 
-    - uses: ncipollo/release-action@v1.20.0
+    - uses: ncipollo/release-action@v1.21.0
       if: github.ref == 'refs/heads/master'
       with:
         artifacts: ./dist/*