chore(deps): update actions/checkout action to v4 (#582)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
         run: sudo apt-get install -y graphicsmagick
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup node
         uses: actions/setup-node@v3
@@ -70,7 +70,7 @@ jobs:
         run: sudo apt-get install -y graphicsmagick
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup node
         uses: actions/setup-node@v3
@@ -106,7 +106,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Npm cache
 
@@ -175,10 +175,10 @@ jobs:
       # Checkouts
 
       - name: Checkout (images)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Checkout (api)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: opencollective/opencollective-api
           path: opencollective-api