ci: added update dependencies workflow

Author: kenso312

.github/workflows/update-dependencies.yml

@@ -0,0 +1,20 @@
+name: Update Dependencies
+
+on:
+  pull_request_target:
+    branches:
+      - dev
+    types: [labeled]
+
+jobs:
+  update-dependencies:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Merging Dependabot's Branch
+        uses: ahmadnassri/action-dependabot-auto-merge@v2
+        with:
+          target: minor
+          github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}