fix: Updating behavior of source_upload_url during Get/List function calls (#93)

Regenerating cloud functions docs

PiperOrigin-RevId: 388967811

Source-Link: googleapis/googleapis@909c3ad

Source-Link: https://github.com/googleapis/googleapis-gen/commit/13181e495b2878975896de174f4a0ccd41fe2bc4

Author: gcf-owl-bot[bot]

google/cloud/functions_v1/types/functions.py

@@ -77,8 +77,12 @@ class CloudFunction(proto.Message):
             The source repository where a function is hosted.
         source_upload_url (str):
             The Google Cloud Storage signed URL used for source
-            uploading, generated by
-            [google.cloud.functions.v1.GenerateUploadUrl][]
+            uploading, generated by calling
+            [google.cloud.functions.v1.GenerateUploadUrl].
+
+            The signature is validated on write methods {Create, Update}
+            The signature is stripped from the Function object on read
+            methods {Get, List}
         https_trigger (google.cloud.functions_v1.types.HttpsTrigger):
             An HTTPS endpoint type of source that can be
             triggered via URL.