Merge pull request #51 from psalm/dependabot/github_actions/actions/checkout-4

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
         runs-on: ubuntu-20.04
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Set up PHP
               uses: shivammathur/setup-php@v2
@@ -63,7 +63,7 @@ jobs:
         runs-on: ubuntu-20.04
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Set up PHP
               uses: shivammathur/setup-php@v2
@@ -109,7 +109,7 @@ jobs:
             fail-fast: false
         steps:
             - name: Checkout
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
 
             - name: Set up PHP
               uses: shivammathur/setup-php@v2