fix #293: Bump actions/checkout from 2 to 4

.github/workflows/ci-cd.yml

@@ -15,7 +15,7 @@ jobs:
     name: Linter
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Poetry
         run: pipx install poetry
       - name: Setup Python
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Poetry
         run: pipx install poetry
       - uses: actions/setup-python@v5
@@ -81,7 +81,7 @@ jobs:
     needs: [test-summary]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Poetry
         run: pipx install poetry
       - name: Setup Python

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/dependabot-auto-merge.yml

@@ -14,7 +14,7 @@ jobs:
         id: dependabot-metadata
         uses: dependabot/fetch-metadata@v1
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Approve PR
         # only auto-approve direct deps that are minor or patch updates
         #   dependency type is indirect, direct:development or direct:production

.github/workflows/towncrier.yml

@@ -23,7 +23,7 @@ jobs:
         || contains(github.event.pull_request.labels.*.name, 'skip-changelog')
       )
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install Poetry
       run: pipx install poetry
     - name: Setup Python