Add --coverpkg flag to go test in the Makefile (#15153)

Related to: #10209

Changes:
 - Updated the go test in the Makefile to have the `--codepkg` flag.
- Added a newline to the `test-go` GH workflow to trigger a run for this
PR


> Note: I'm creating this as a draft PR to see the results of the "Test
Go" workflow

.github/workflows/test-go.yaml

@@ -87,6 +87,7 @@ jobs:
         done
         echo "mysql is ready"
 
+
     - name: Run Go Tests
       run: |
         GO_TEST_EXTRA_FLAGS="-v -race=$RACE_ENABLED -timeout=$GO_TEST_TIMEOUT" \

Makefile

@@ -138,7 +138,7 @@ dump-test-schema:
 	go run ./tools/dbutils ./server/datastore/mysql/schema.sql
 
 test-go: dump-test-schema generate-mock
-	go test -tags full,fts5,netgo ${GO_TEST_EXTRA_FLAGS_VAR} -parallel 8 -coverprofile=coverage.txt -covermode=atomic ./cmd/... ./ee/... ./orbit/pkg/... ./orbit/cmd/orbit ./pkg/... ./server/... ./tools/...
+	go test -tags full,fts5,netgo ${GO_TEST_EXTRA_FLAGS_VAR} -parallel 8 -coverprofile=coverage.txt -covermode=atomic -coverpkg=github.com/fleetdm/fleet/v4/... ./cmd/... ./ee/... ./orbit/pkg/... ./orbit/cmd/orbit ./pkg/... ./server/... ./tools/...
 
 analyze-go:
 	go test -tags full,fts5,netgo -race -cover ./...