ci: add verbose flag to Go test commands in CI workflow

Enable verbose output for both unit and E2E Go tests in GitHub Actions to
improve test run visibility and aid debugging when tests fail.

Author: koki-develop

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
         with:
           persist-credentials: false
       - uses: jdx/mise-action@6d1e696aa24c1aa1bcc1adea0212707c71ab78a8 # v3.6.1
-      - run: go test ./...
+      - run: go test -v ./...
 
   e2e-test:
     name: E2E Test
@@ -77,7 +77,7 @@ jobs:
           echo "Service failed to start"
           exit 1
       - name: Run E2E tests
-        run: go test -tags e2e ./e2e/...
+        run: go test -v -tags e2e ./e2e/...
       - name: Show logs on failure
         if: failure()
         run: docker compose logs