Bump actions/checkout from 2 to 4 (#18)

Co-authored-by: Nick Spaargaren <[email protected]>

Author: nickspaargaren

.github/workflows/preview.yaml

@@ -10,7 +10,7 @@ jobs:
   Deploy-Preview:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Vercel CLI
         run: npm install --global vercel@latest
       - name: Pull Vercel Environment Information

.github/workflows/production.yaml

@@ -10,7 +10,7 @@ jobs:
   Deploy-Production:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Vercel CLI
         run: npm install --global vercel@latest
       - name: Pull Vercel Environment Information