chore(deps): update actions/checkout action to v3

Author: renovate-bot

.github/workflows/codeql-analysis.yml

@@ -41,7 +41,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/main.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Preferable to use the same version as in GAE environment
       - name: Set Node.js version
@@ -90,7 +90,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Preferable to use the same version as in GAE environment
       - name: Set Node.js version

.github/workflows/sonarcloud.yml

@@ -19,7 +19,7 @@ jobs:
     if: ${{ !contains(github.event.commits[0].message, '[skip ci]') && !contains(github.event.commits[0].message, '[no ci]') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           # Shallow clones should be disabled for a better relevancy of analysis
           # 0 = all history for all branches and tags