use v4 for github actions

.github/workflows/build-and-test.yml

@@ -23,10 +23,10 @@ jobs:
       workspace: Afterpay.xcworkspace
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Cache Mint Packages
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /usr/local/lib/mint
         key: ${{ runner.os }}-mint-${{ hashFiles('Mintfile') }}
@@ -62,13 +62,13 @@ jobs:
           -destination '${{ env.destination }}'
 
     - name: Checkout Example Server
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: afterpay/sdk-example-server
         path: ./example-server
 
     - name: Setup Example Server
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: 16
 
@@ -98,7 +98,7 @@ jobs:
 
     - name: Upload UI test artifacts
       if: ${{ always() }}
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: xcresults
         path: /Users/runner/Library/Developer/Xcode/DerivedData/Afterpay-*/Logs/Test/*
@@ -108,7 +108,7 @@ jobs:
     runs-on: macos-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -129,7 +129,7 @@ jobs:
       workspace: .swiftpm/xcode/package.xcworkspace
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Validate Swift Package
       run: |