ci: upgrade actions/checkout and actions/cache to v4 in workflow files

Author: amondnet

.github/workflows/deploy.yml

@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ./
         id: vercel-action
         with:

.github/workflows/example-angular.yml

@@ -9,8 +9,8 @@ jobs:
   angular:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/cache@v1
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}

.github/workflows/example-express-basic-auth.yml

@@ -9,7 +9,7 @@ jobs:
   basic-auth:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ./
         id: now-deployment-staging
         if: github.event_name == 'pull_request_target'

.github/workflows/example-nextjs.yml

@@ -10,7 +10,7 @@ jobs:
   static:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - run: |
           npm ci
           npx vercel pull --yes --token=${VERCEL_TOKEN}

.github/workflows/example-scope.yml

@@ -9,7 +9,7 @@ jobs:
   static:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ./
         id: now-deployment-staging
         if: github.event_name == 'pull_request_target'

.github/workflows/example-static.yml

@@ -10,7 +10,7 @@ jobs:
   static:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ./
         id: now-deployment-staging
         if: github.event_name == 'pull_request_target'

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: amondnet/now-deployment@v2.0.3
         id: now-deployment
         with: