Merge pull request #235 from docker/chore-cache-v2

Use latest version of actions/cache

.github/workflows/ci.yml

@@ -38,12 +38,10 @@ jobs:
       - name: Checkout code into the Go module directory
         uses: actions/checkout@v2
 
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          key: go-${{ hashFiles('**/go.sum') }}
 
       - name: Test
         env:
@@ -73,12 +71,10 @@ jobs:
       - name: Checkout code into the Go module directory
         uses: actions/checkout@v2
 
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          key: go-${{ hashFiles('**/go.sum') }}
 
       - name: Test
         env: