ci: run statick check only with latest Go version

Author: aldas

.github/workflows/echo-contrib.yml

@@ -20,12 +20,15 @@ on:
       - '.github/**'
       - 'codecov.yml'
 
+env:
+  latest: '1.17'
+
 jobs:
   test:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.14, 1.15, 1.16]
+        go: [1.14, 1.15, 1.16, 1.17]
     name: ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -39,17 +42,19 @@ jobs:
         with:
           ref: ${{ github.ref }}
 
-      - name: Install Dependencies
-        run: go get -u honnef.co/go/tools/cmd/staticcheck@latest
+      - name: Run static checks
+        if: matrix.go == env.latest && matrix.os == 'ubuntu-latest'
+        run: |
+          go get -u honnef.co/go/tools/cmd/staticcheck@latest
+          staticcheck -tests=false ./...
 
       - name: Run Tests
         run: |
-          staticcheck -tests=false ./...
           go test -race --coverprofile=coverage.coverprofile --covermode=atomic ./...
 
       - name: Upload coverage to Codecov
-        if: success() && matrix.go == 1.16 && matrix.os == 'ubuntu-latest'
-        uses: codecov/codecov-action@v1
+        if: success() && matrix.go == env.latest && matrix.os == 'ubuntu-latest'
+        uses: codecov/codecov-action@v2
         with:
           token:
           fail_ci_if_error: false
@@ -58,7 +63,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: [1.16]
+        go: [1.17]
     name: Benchmark comparison ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     steps: