[PR #12181/5a9b0ec8 backport][stable-13] add new google_chat module (#12289)

add new `google_chat` module  (#12181)

* feat(module): add new `google_chat` module incl. tests

# Conflicts:
#	.github/BOTMETA.yml

* fix: address `check_mode` and `diff_mode` feedback

* refactor: switch from message_reply_option to create_new_thread

* refactor: split webhook_url into separate module parameters

* fix: remove unused pytest import

* refactor: remove unused `validate_certs`

* fix: add type hints



* style: format files once more

* fix: move types behind guard to prevent issues on python =< 3.8



---------

Co-authored-by: Tom Scholz <>

(cherry picked from commit 5a9b0ec81f)

Co-authored-by: Tom Scholz <tomscholz@users.noreply.github.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

.github/BOTMETA.yml

@@ -678,6 +678,8 @@ files:
     maintainers: masa-orca
   $modules/golang_package.py:
     maintainers: shrbhosa
+  $modules/google_chat.py:
+    maintainers: tomscholz
   $modules/grove.py:
     maintainers: zimbatm
   $modules/gunicorn.py: