Merge pull request #20 from CycloneDX/dependabot/github_actions/actions/checkout-v2.3.4

gh-actions(deps): update actions/checkout requirement to v2.3.4

Author: jkowalleck

.github/workflows/php.yml

@@ -15,7 +15,7 @@ jobs:
     name: PHP ${{ matrix.os}} ${{ matrix.php-versions }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2.3.4
       - name: Setup PHP
         uses: shivammathur/setup-php@master
         with:

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/[email protected].3
+      - uses: actions/[email protected].4
 
       - name: Set the version
         id: set_version