Use caching builtin setup-go action

.github/workflows/ci.yaml

@@ -11,23 +11,15 @@ jobs:
     name: Build
     runs-on: ubuntu-20.04
     steps:
-      - name: Set up Go
-        uses: actions/[email protected]
-        with:
-          go-version: 1.18
-          check-latest: true
-
       - name: Checkout
         uses: actions/[email protected]
 
-      - name: Cache Go modules
-        uses: actions/[email protected]
-        id: go-mod-cache
+      - name: Set up Go
+        uses: actions/[email protected]
         with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version-file: go.mod
+          check-latest: true
+          cache: true
 
       - name: Get dependencies
         run: make download
@@ -72,11 +64,17 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
+      - name: Checkout
+        uses: actions/[email protected]
+        with:
+          fetch-depth: 0
+
       - name: Set up Go
         uses: actions/[email protected]
         with:
-          go-version: 1.18
+          go-version-file: ./go.mod
           check-latest: true
+          cache: true
 
       - name: Install cosign
         uses: sigstore/[email protected]
@@ -86,11 +84,6 @@ jobs:
       - name: Install Syft
         uses: anchore/sbom-action/[email protected]
 
-      - name: Checkout
-        uses: actions/[email protected]
-        with:
-          fetch-depth: 0
-
       - name: Login to Container registries
         if: startsWith(github.ref, 'refs/tags/')
         run: |