fix(deps): Require google-api-core >=1.34.0, >=2.11.0

fix: Drop usage of pkg_resources

fix: Fix timeout default values

docs(samples): Snippetgen should call await on the operation coroutine before calling result

PiperOrigin-RevId: 493260409

WORKSPACE

@@ -292,7 +292,7 @@ load("@rules_python//python:pip.bzl", "pip_install")
 
 pip_install()
 
-_gapic_generator_python_version = "1.6.2"
+_gapic_generator_python_version = "1.7.0"
 
 http_archive(
     name = "gapic_generator_python",