chore: update actions/cache to v4

.github/workflows/test.nhost_auth_dart.yaml

@@ -62,7 +62,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_dart.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_flutter_auth.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_flutter_graphql.yaml

@@ -62,7 +62,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_functions_dart.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_gql_links.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_graphql_adapter.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_sdk.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.nhost_storage_dart.yaml

@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Flutter dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /opt/hostedtoolcache/flutter
           key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}

.github/workflows/test.{package}.yaml.template

@@ -61,7 +61,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Cache Flutter dependencies
-      uses: actions/cache@v1
+      uses: actions/cache@v4
       with:
         path: /opt/hostedtoolcache/flutter
         key: ${{ runner.OS }}-flutter-install-cache-${{ steps.flutter-version.outputs.version }}