Bump the pip group across 2 directories with 1 update

Bumps the pip group with 1 update in the /ultralytics1/utils/google_app_engine directory: [flask](https://github.com/pallets/flask).
Bumps the pip group with 1 update in the /utils/google_app_engine directory: [flask](https://github.com/pallets/flask).


Updates `flask` from 3.1.0 to 3.1.1
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.1.0...3.1.1)

Updates `flask` from 3.1.0 to 3.1.1
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.1.0...3.1.1)

---
updated-dependencies:
- dependency-name: flask
  dependency-version: 3.1.1
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: flask
  dependency-version: 3.1.1
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ultralytics1/utils/google_app_engine/additional_requirements.txt

@@ -1,4 +1,4 @@
 pip==25.1
-Flask==3.1.0
+Flask==3.1.1
 gunicorn==23.0.0
 Werkzeug==3.1.3  # Updated to patch the vulnerability

utils/google_app_engine/additional_requirements.txt

@@ -1,4 +1,4 @@
 pip==25.1
-Flask==3.1.0
+Flask==3.1.1
 gunicorn==23.0.0
 Werkzeug==3.1.3  # Updated to patch the vulnerability