chore(ci): adds lint to CI. (hypertrace#36)

* chore(ci): adds lint to CI.

* chore(ci): only run lint on ubuntu.

Author: jcchavezs

.github/workflows/ci.yml

@@ -21,11 +21,17 @@ jobs:
           go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@v2
+      - if: matrix.os == "ubuntu-latest"
+        name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.29
       - name: Run unit tests
         run: make test
       - name: Build collector
         run: make build
-      - if: ${{ matrix.os}} != "windows-latest"
+      - if: matrix.os != "windows-latest"
         name: Launch collector for E2E tests
         run: ./collector --config ./_tests/e2e/test-config.yml &
       - if: ${{ matrix.os}} != "windows-latest"