chore: Update gapic-generator-python to v1.11.4 (#549)

* chore: Update gapic-generator-python to v1.11.4

PiperOrigin-RevId: 547897126

Source-Link: googleapis/googleapis@c09c75e

Source-Link: googleapis/googleapis-gen@45e0ec4
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNDVlMGVjNDM0MzUxN2NkMGFhNjZiNWNhNjQyMzJhMTgwMmMyZjk0NSJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

packages/google-cloud-monitoring/google/cloud/monitoring_v3/types/uptime.py

@@ -55,6 +55,7 @@ class UptimeCheckRegion(proto.Enum):
         ASIA_PACIFIC (4):
             Allows checks to run from locations within
             the Asia Pacific area (ex:
+
             Singapore).
         USA_OREGON (5):
             Allows checks to run from locations within