chore: update to gapic-generator-python 1.5.0

Google APIs · copybara-github · commit 8eb249a19db9 · 2022-10-28T18:59:17.000-07:00
feat: add support for `google.cloud.&lt;api&gt;.__version__`
PiperOrigin-RevId: 484665853
diff --git a/WORKSPACE b/WORKSPACE
@@ -292,7 +292,7 @@ load("@rules_python//python:pip.bzl", "pip_install")
 
 pip_install()
 
-_gapic_generator_python_version = "1.4.4"
+_gapic_generator_python_version = "1.5.0"
 
 http_archive(
     name = "gapic_generator_python",
