[Snyk] Security upgrade werkzeug from 2.2.3 to 3.0.6

[snarfed]

Snyk has created this PR to fix 2 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• requirements.txt

⚠️ Warning

proto-plus 1.25.0 requires protobuf, which is not installed.
httplib2 0.22.0 requires pyparsing, which is not installed.
gunicorn 23.0.0 requires packaging, which is not installed.
grpc-google-iam-v1 0.13.1 requires grpcio, which is not installed.
grpc-google-iam-v1 0.13.1 requires protobuf, which is not installed.
googleapis-common-protos 1.65.0 requires protobuf, which is not installed.
google-cloud-tasks 2.17.0 requires protobuf, which is not installed.
google-cloud-ndb 2.3.2 requires protobuf, which is not installed.
google-cloud-ndb 2.3.2 requires redis, which is not installed.
google-cloud-logging 3.11.3 requires protobuf, which is not installed.
google-cloud-error-reporting 1.11.1 requires protobuf, which is not installed.
google-cloud-datastore 2.20.1 requires protobuf, which is not installed.
google-cloud-audit-log 0.3.0 requires protobuf, which is not installed.
google-cloud-appengine-logging 1.5.0 requires protobuf, which is not installed.
google-auth 2.15.0 requires pyasn1-modules, which is not installed.
google-api-core 2.19.1 requires protobuf, which is not installed.
flask-gae-static 1.0 requires pyyaml, which is not installed.
beautifulsoup4 4.12.3 requires soupsieve, which is not installed.

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.
• Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

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[snarfed]

Snyk, you keep complaining about vulnerabilities in old versions of libs when I'm already pinned to the new version that fixes them. Useless.