ci: Disable parallel unit tests in CI

Author: acosta11

scripts/subtests/unit-test

@@ -5,7 +5,12 @@ set -o pipefail
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 
+flags='-r --randomize-all --randomize-suites --fail-on-pending --keep-going --race --trace'
+if [ "${CI:-false}" = 'false' ]; then
+    flags="${flags} -p"
+fi
+
 pushd "${SCRIPT_DIR}/../../src" > /dev/null
-    go run github.com/onsi/ginkgo/v2/ginkgo -r -p --randomize-all --randomize-suites --fail-on-pending --keep-going --race --trace
+    go run github.com/onsi/ginkgo/v2/ginkgo $flags
 popd > /dev/null