fix(phishingprotection): use correct release status (#9451)

Author: tseaver

phishingprotection/setup.py

@@ -22,7 +22,7 @@
 name = "google-cloud-phishing-protection"
 description = "Phishing Protection API API client library"
 version = "0.2.0"
-release_status = "3 - Alpha"
+release_status = "Development Status :: 3 - Alpha"
 dependencies = [
     "google-api-core[grpc] >= 1.14.0, < 2.0.0dev",
     'enum34; python_version < "3.4"',