Use matrix in actions versions

.github/workflows/main.yaml

@@ -10,28 +10,32 @@ jobs:
   mod:
     name: Mod
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go:
+          - 1.18
     steps:
       - uses: actions/checkout@v3
-      - name: Read Go version
-        run: echo "GO_VERSION=$(cat ./.go-version)" >> $GITHUB_ENV
       - uses: actions/setup-go@v3
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: ${{ matrix.go }}
       - uses: actions/cache@v3
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-gomod-${{ hashFiles('**/go.sum') }}
+          key: ${{ runner.os }}-gomod-${{ matrix.go }}-${{ hashFiles('**/go.sum') }}
       - run: go mod download
   lint:
     name: Lint
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go:
+          - 1.18
     steps:
       - uses: actions/checkout@v3
-      - name: Read Go version
-        run: echo "GO_VERSION=$(cat ./.go-version)" >> $GITHUB_ENV
       - uses: actions/setup-go@v3
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: ${{ matrix.go }}
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
@@ -40,28 +44,30 @@ jobs:
   test:
     name: Test
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go:
+          - 1.18
     env:
       GOCACHE: "/tmp/go/cache"
     steps:
       - uses: actions/checkout@v3
-      - name: Read Go version
-        run: echo "GO_VERSION=$(cat ./.go-version)" >> $GITHUB_ENV
       - uses: actions/setup-go@v3
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: ${{ matrix.go }}
       - uses: actions/cache@v3
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-gomod-${{ hashFiles('**/go.sum') }}
+          key: ${{ runner.os }}-gomod-${{ matrix.go }}-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-gomod-
       - uses: actions/cache@v3
         with:
           path: /tmp/go/cache
-          key: ${{ runner.os }}-go-build-${{ github.ref }}-${{ github.sha }}
+          key: ${{ runner.os }}-go-build-${{ matrix.go }}-${{ github.ref }}-${{ github.sha }}
           restore-keys: |
-            ${{ runner.os }}-go-build-${{ github.ref }}-
-            ${{ runner.os }}-go-build-
+            ${{ runner.os }}-go-build-${{ matrix.go }}-${{ github.ref }}-
+            ${{ runner.os }}-go-build-${{ matrix.go }}-
       - name: Run tests
         run: |-
           go test ./... -race -coverprofile=coverage.txt -shuffle=on
@@ -72,15 +78,17 @@ jobs:
   bench:
     name: Bench
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go:
+          - 1.18
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Read Go version
-        run: echo "GO_VERSION=$(cat ./.go-version)" >> $GITHUB_ENV
       - uses: actions/setup-go@v3
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: ${{ matrix.go }}
       - name: Install cob
         run: curl -sfL https://raw.githubusercontent.com/knqyf263/cob/master/install.sh | sudo sh -s -- -b /usr/local/bin
       - name: Run Benchmark