Bump googleapis-common-protos in /external/price_server

Bumps [googleapis-common-protos](https://github.com/googleapis/python-api-common-protos) from 1.62.0 to 1.63.0.
- [Release notes](https://github.com/googleapis/python-api-common-protos/releases)
- [Changelog](https://github.com/googleapis/python-api-common-protos/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-api-common-protos@v1.62.0...v1.63.0)

---
updated-dependencies:
- dependency-name: googleapis-common-protos
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

external/price_server/requirements.txt

@@ -5,7 +5,7 @@ click==8.1.7
 Deprecated==1.2.14
 dill==0.3.8
 Flask==3.0.2
-googleapis-common-protos==1.62.0
+googleapis-common-protos==1.63.0
 greenlet==3.0.3
 grpcio==1.62.1
 gunicorn==21.2.0