[feature] add action for validate branch

Author: mr-chelyshkin

.github/actions/github-check-branch/action.yml

@@ -0,0 +1,41 @@
+name: 'Branch Validator'
+description: 'Verify that tag or commit is from specified branch'
+
+inputs:
+  target_branch:
+    description: 'Branch to validate against'
+    required: false
+    default: 'main'
+  tag_name:
+    description: 'Tag name to validate (if empty, uses current HEAD)'
+    required: false
+    default: ''
+
+runs:
+  using: composite
+  steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Validate branch
+      shell: bash
+      run: |
+        TARGET_BRANCH="${{ inputs.target_branch }}"
+        TAG_NAME="${{ inputs.tag_name }}"
+        
+        if [ -n "$TAG_NAME" ]; then
+          COMMIT=$(git rev-list -n 1 "$TAG_NAME")
+          echo "Checking tag '$TAG_NAME' (commit: $COMMIT)"
+        else
+          COMMIT=$(git rev-parse HEAD)
+          echo "Checking current HEAD (commit: $COMMIT)"
+        fi
+        
+        if git merge-base --is-ancestor "$COMMIT" "origin/$TARGET_BRANCH"; then
+          echo "Commit is from branch '$TARGET_BRANCH'"
+        else
+          echo "Commit is NOT from branch '$TARGET_BRANCH'"
+          exit 1
+        fi