feat: update api version automatically

Author: karthikbhandary2

.chglog/CHANGELOG.tpl.md

@@ -0,0 +1,32 @@
+name: Update Version and Release
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+
+jobs:
+  update-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Extract latest version from CHANGELOG.md
+        id: get_version
+        run: |
+          VERSION=$(grep -oP '\[\K[0-9]+\.[0-9]+\.[0-9]+' CHANGELOG.md | head -1)
+          echo "::set-output name=VERSION::$VERSION"
+
+      - name: Update version in cmd/api/main.go
+        run: |
+          sed -i "s/var version = \".*\"/var version = \"${{ steps.get_version.outputs.VERSION }}\"/" cmd/api/main.go
+
+      - name: Commit and push if changed
+        run: |
+          git config --global user.email "action@github.com"
+          git config --global user.name "GitHub Action"
+          git add cmd/api/main.go
+          git commit -m "Update version to ${{ steps.get_version.outputs.VERSION }}" || echo "No changes to commit"
+          git push