feat: add support for python 3.10 (#238)

* feat: add support for python 3.10

* ci: opt in to use multiple projects

Author: parthea

securitycenter/snippets/noxfile_config.py

@@ -28,6 +28,7 @@
     # build specific Cloud project. You can also use your own string
     # to use your own Cloud project.
     # 'gcloud_project_env': 'GOOGLE_CLOUD_PROJECT',
+    "gcloud_project_env": "BUILD_SPECIFIC_GCLOUD_PROJECT",
     # A dictionary you want to inject into your test. Don't put any
     # secrets here. These values will override predefined values.
     "envs": {