ci: add automatic latest release tag action (#35)

Author: zepatrik

.github/workflows/release-tagger.yml

@@ -0,0 +1,15 @@
+name: Keep the versions up-to-date
+
+on:
+  release:
+    types: [published, edited]
+
+jobs:
+  actions-tagger:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: Actions-R-Us/actions-tagger@latest
+        env:
+          GITHUB_TOKEN: "${{ github.token }}"
+        with:
+          publish_latest_tag: true