.github/workflows: Run the golangci-lint action during the sanity checks

Update the sanity workflow and add the golangci-lint action.

Signed-off-by: timflannagan <[email protected]>

Author: timflannagan

.github/workflows/sanity.yaml

@@ -13,7 +13,11 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: '~1.16'
-      - name: Install goimports
-        run: go install golang.org/x/tools/cmd/goimports@latest
       - name: Run sanity checks
-        run: make vendor && make lint && make diff
+        run: make vendor && make diff
+      - name: Run linting checks
+        uses: "golangci/golangci-lint-action@v2"
+        with:
+          version: "v1.43"
+          skip-go-installation: true
+          skip-pkg-cache: true