Build: Bump google-auth from 2.47.0 to 2.48.0

[dependabot]

Bumps google-auth from 2.47.0 to 2.48.0.

Release notes

Sourced from google-auth's releases.

google-auth 2.48.0

2.48.0 (2026-01-21)

Features

• honor NO_GCE_CHECK environment variable (#1610) (383c9827)

• add configurable GCE Metadata Server retries (#1488) (454b441b)

• add cryptography as required dependency (#1929) (52558ae2)

• Support the mTLS IAM domain for Certificate based Access (#1938) (8dcf91a1)

Bug Fixes

• resolve circular imports (#1942) (25c1b064)

• Use user_verification=preferred for ReAuth WebAuthn challenge (#1798) (3f88a240)

• removes content-header from AWS IMDS get request (#1934) (97bfea9e)

• detect correct auth when ADC env var is set but empty (#1374) (bfc07e10)

• replace deprecated utcfromtimestamp (#1799) (e431f20c)

v2.48.0rc0

2.48.0rc0 (2026-01-20)

Features

• honor NO_GCE_CHECK environment variable (#1610) (383c98)
• add configurable GCE Metadata Server retries (#1488) (454b44)
• support mTLS IAM domain for Certificate based Access (#1938) (8dcf91)
• add cryptography as required dependency (#1929) (52558a)

Bug Fixes

• Use user_verification=preferred for ReAuth WebAuthn challenge (#1798) (3f88a2)
• replace deprecated utcfromtimestamp (#1799) (e431f2)
• detect correct auth when ADC env var is set by empty (#1374) (bfc07e)
• removed content-header from AWS IMDS (#1934) (97bfea)
• resolve circular imports (#1942) (25c1b0)

Changelog

Sourced from google-auth's changelog.

2.48.0 (2026-01-22)

Features

• add cryptography as required dependency (#1929) (52558ae2881b1e6555f6f5c0d76365c15807ead9)
• Support the mTLS IAM domain for Certificate based Access (#1938) (8dcf91a1b05c85fbbd0bcee78d66e498099102ab)
• add configurable GCE Metadata Server retries (#1488) (454b441b478ec62bbf1a6ad5bceb6c7cbbfd0c37)
• honor NO_GCE_CHECK environment variable (#1610) (383c9827536d9376e8248370ce4c2b83e468d027)

Bug Fixes

• resolve circular imports (#1942) (25c1b064545702cbef087cfcd15fbbb6ef1af74f)
• removes content-header from AWS IMDS get request (#1934) (97bfea9e02ede953fc8ee154e0deed3a3cfc6dcc)
• detect correct auth when ADC env var is set but empty (#1374) (bfc07e1050bd0aa86fa3b08cdf70c9b68b5fe6a2)
• replace deprecated utcfromtimestamp (#1799) (e431f20cf73ccac71926a23ec454468cea92e053)
• Use user_verification=preferred for ReAuth WebAuthn challenge (#1798) (3f88a24089c4ee6822d510de0db210b54260d873)

Commits

• 6a982be chore: librarian release pull request: 20260121T162706Z (#1946)
• 526d6c6 chore(tests): add cryptography to constraints file (#1944)
• 52558ae feat: add cryptography as required dependency (#1929)
• 8dcf91a feat(iam): Support the mTLS IAM domain for Certificate based Access (#1938)
• db17a64 chore(tests): add sleep mocks (#1943)
• 25c1b06 fix: resolve circular imports (#1942)
• e5a28b5 tests: system tests for expired User Credentials (#1937)
• 4292ab0 chore(deps): update dependency google-cloud-compute to v1.42.0 (#1939)
• 4848ac4 chore: extracts unit tests to individual github actions (#1941)
• 71e6e8e chore: dedent deprecation warning message (#1932)
• Additional commits viewable in compare view

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