Simplify Ginkgo run in GitHub Actions

Simplify Ginkgo run usage in GitHub Actions.

Author: HeavyWombat

.github/workflows/tests.yml

@@ -30,8 +30,7 @@ jobs:
 
     - name: Run Go Unit Tests
       run: |
-        go install -mod=mod github.com/onsi/ginkgo/v2/ginkgo
-        ginkgo run \
+        go run -mod=mod github.com/onsi/ginkgo/v2/ginkgo run \
           --coverprofile=unit.coverprofile \
           --randomize-all \
           --randomize-suites \