Upgrade to Node 20

Node 16 is only supported till spring 2024 -> https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/

.github/workflows/automerge.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: '20'
       - name: Authenticate via APP
         id: authentication
         uses: ./

.github/workflows/licenseScanDependabot.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: '20'
       - run: npm ci
       - name: Synopsys Detect
         uses: synopsys-sig/detect-action@v0.3.4

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '16'
+        node-version: '20'
     - run: npm ci
     - run: npm test
 

action.yml

@@ -17,5 +17,5 @@ outputs:
   token:
     description: 'An access token that can be used to call the GitHub API'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'