Use actions/setup-go@v3 with caching support (#41)

.github/workflows/push.yml

@@ -20,21 +20,10 @@ jobs:
         run: git fetch --prune --unshallow
 
       - name: Setup Go
-        uses: actions/setup-go@v1
+        uses: actions/setup-go@v3
         with:
           go-version: 1.18.x
-
-      - name: Cache packages
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-            /opt/hostedtoolcache/go
-            vendor
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          cache: true
 
       - name: Set go env
         run: |
@@ -53,12 +42,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v2
 
-      - uses: actions/setup-go@v1
+      - name: Setup Go
+        uses: actions/setup-go@v3
         with:
           go-version: 1.18.x
 
+          # No need to download cached dependencies when running gofmt.
+          cache: false
+
       - name: Run gofmt
         run: |
           # -l: list files that were reformatted

.github/workflows/release.yml

@@ -12,9 +12,10 @@ jobs:
       - name: Unshallow
         run: git fetch --prune --unshallow
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: 1.18
+          cache: true
       - name: Import GPG key
         id: import_gpg
         uses: hashicorp/ghaction-import-gpg@v2.1.0