Adds codecov integration (#285)

Signed-off-by: Mikalai Radchuk <mradchuk@redhat.com>

.github/workflows/go.yaml

@@ -29,7 +29,12 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-go-
     - name: unit-test
-      run: go test -v ./...
+      run: go test -v ./... -coverprofile cover.out
+    - uses: codecov/codecov-action@v3
+      with:
+        files: cover.out
+        fail_ci_if_error: true
+        functionalities: fixes
 
   go-apidiff:
     name: go-apidiff

Makefile

@@ -112,4 +112,4 @@ $(CONTROLLER_GEN): $(LOCALBIN)
 .PHONY: yq
 yq: $(YQ) ## Download yq locally if necessary.
 $(YQ): $(LOCALBIN)
-	GOBIN=$(LOCALBIN) go install $(GO_INSTALL_OPTS) github.com/mikefarah/yq/v4@$(YQ_VERSION)
+	GOBIN=$(LOCALBIN) go install $(GO_INSTALL_OPTS) github.com/mikefarah/yq/v4@$(YQ_VERSION)