Update dependency google-auth to v2.23.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google-auth	==2.23.0 -> ==2.23.3

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Release Notes

googleapis/google-auth-library-python (google-auth)

v2.23.3

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Bug Fixes

• Serialize signer keys on getstate for pickling (#​1394) (8b783b9), closes #​1383

v2.23.2

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Bug Fixes

• Support urllib3<2.0 versions (#​1390) (07c464a)

v2.23.1

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Bug Fixes

• Less restrictive content-type header check for google authentication (ignores charset) (#​1382) (7039beb)
• Trust boundary meta header renaming and using the schema from backend team. (#​1384) (2503d4a)
• Update urllib3 to >= 2.0.5 (#​1389) (a99f3bb)

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