Bump actions/checkout from 2 to 4

.github/workflows/deploy.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: production
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: gacts/install-dnscontrol@v1
 

.github/workflows/tests.yml

@@ -18,7 +18,7 @@ jobs:
     name: GitLeaks
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with: {fetch-depth: 0}
 
       - uses: gacts/gitleaks@v1
@@ -27,7 +27,7 @@ jobs:
     name: DNSControl check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: gacts/install-dnscontrol@v1
 
@@ -37,7 +37,7 @@ jobs:
     name: Validate schemas
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: walbo/[email protected]
         with:

.github/workflows/website.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v2