ci: Add auto-tag.yaml github action

.github/workflows/auto-tag.yaml

@@ -0,0 +1,49 @@
+name: Auto tag
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  tag:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        with:
+          token: ${{ secrets.PAT }}
+        uses: actions/checkout@v4
+
+      - name: Get last changelog version
+        id: changelog_reader
+        uses: mindsers/changelog-reader-action@v2
+        with:
+          path: ./CHANGELOG.md
+
+      - name: Check if tag exists
+        id: check_tag
+        run: |
+          version=${{ steps.changelog_reader.outputs.version }}
+          if git rev-parse "$version" >/dev/null 2>&1; then
+            echo "Tag already exists"
+            echo "::set-output name=tag_exists::true"
+          else
+            echo "Tag does not exist"
+            echo "::set-output name=tag_exists::false"
+          fi
+
+      - name: Import GPG key
+        if: steps.check_tag.outputs.tag_exists == 'false'
+        env:
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+        run: |
+          echo "$GPG_PRIVATE_KEY" | gpg --batch --import
+
+      - name: Create new tag
+        if: steps.check_tag.outputs.tag_exists == 'false'
+        run: |
+          version=${{ steps.changelog_reader.outputs.version }}
+          git config --global user.name "${{ github.actor }}"
+          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
+          git tag -s "$version" -m "$version" --local-user $(gpg --list-keys --with-colons | grep '^pub' | cut -d':' -f5)
+          git push origin "$version"

Makefile

@@ -90,8 +90,3 @@ delete-kind:
 .PHONY: update-changelog
 update-changelog:
 	git cliff -t v$(VERSION) -u -p CHANGELOG.md
-
-.PHONY: tag
-tag:
-	git tag -s v$(VERSION) -m "v$(VERSION)" && \
-	git push origin v$(VERSION)

RELEASE.md

@@ -2,4 +2,4 @@
 
 - Update `CHANGELOG.md` with `VERSION=X.Y.Z make update-changelog`
 - Merge PR
-- Tag version in main branch: `VERSION=X.Y.Z make tag`
+- Tag version is automatically done