update: Dependabot、Github Actions用設定を修正

.github/dependabot.yml

@@ -7,6 +7,3 @@ updates:
     time: "00:00"
     timezone: Asia/Tokyo
   open-pull-requests-limit: 10
-  labels:
-    - "dependencies"
-    - "automerge"

.github/workflows/node.yml

@@ -1,7 +1,7 @@
 # This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
-name: Node.js CI
+name: CI with Node.js
 
 on:
   push:
@@ -11,21 +11,27 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [16.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
-      - uses: actions/checkout@v3
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ matrix.node-version }}
-      - name: Install dependencies
-        run: npm install
-      - name: Build
-        run: grunt less ect
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 16
+    - name: Install dependencies
+      run: npm install
+    - name: Build
+      run: grunt less ect
+    - name: Add label
+      uses: actions/github-script@v6
+      if: ${{ github.event_name == 'pull_request' && contains(github.head_ref, 'dependabot') }}
+      with:
+        script: |
+          github.rest.issues.addLabels({
+            issue_number: context.issue.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            labels: ["automerge"]
+          })