chore: Updating testing, linting, etc (#94)

* fix: fixed config for Python and Java grpc lib
* chore(python): fix column sizing issue in docs
* chore(python): use 'http' in LICENSE
* chore(python): skip docfx in main presubmit
* chore(python): skip docfx in main presubmit
* fix: properly template the repo name
* chore: add missing quotation mark
* chore: add 3.9 to noxfile template
* build(python): make `NOX_SESSION` optional
* chore: Add header checker config to python library synth
* chore: add noxfile parameters for extra dependencies
* build: migrate to flakybot
* chore(python): include py.typed files in release
* docs: update python contributing guide
* build(python): enable flakybot on library unit and system tests
* test: install pyopenssl for mtls testing

Author: yoshi-automation

monitoring/snippets/v3/alerts-client/noxfile.py

@@ -85,7 +85,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to tested samples.
-ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8"]
+ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8", "3.9"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG['ignored_versions']

monitoring/snippets/v3/cloud-client/noxfile.py

@@ -85,7 +85,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to tested samples.
-ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8"]
+ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8", "3.9"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG['ignored_versions']

monitoring/snippets/v3/uptime-check-client/noxfile.py

@@ -85,7 +85,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to tested samples.
-ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8"]
+ALL_VERSIONS = ["2.7", "3.6", "3.7", "3.8", "3.9"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG['ignored_versions']