Update major versions of Actions in README and workflows

.github/workflows/check-expected-release-files.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout CodeQL Action
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Check Expected Release Files
         run: |
           bundle_version="$(cat "./src/defaults.json" | jq -r ".bundleVersion")"

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
       security-events: write
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Init with default CodeQL bundle from the VM image
       id: init-default
       uses: ./init
@@ -75,7 +75,7 @@ jobs:
       security-events: write
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: ./init
       id: init
       with:

.github/workflows/post-release-mergeback.yml

@@ -34,8 +34,8 @@ jobs:
           GITHUB_CONTEXT: '${{ toJson(github) }}'
         run: echo "$GITHUB_CONTEXT"
 
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
 
       - name: Update git config
         run: |