fix(deps): update dependency google-auth-library to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
google-auth-library	dependencies	major	^3.0.0 -> ^4.0.0	source

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Release Notes

googleapis/google-auth-library-nodejs

v4.0.0

Compare Source

Bug Fixes

• deps: update dependency arrify to v2 (#​684) (1757ee2)
• deps: update dependency gaxios to v2 (#​681) (770ad2f)
• deps: update dependency gcp-metadata to v2 (#​701) (be20528)
• deps: update dependency gtoken to v3 (#​702) (2c538e5)
• re-throw original exception and preserve message in compute client (#​668) (dffd1cc)
• surface original stack trace and message with errors (#​651) (8fb65eb)
• throw on missing refresh token in all cases (#​670) (0a02946)
• throw when adc cannot acquire a projectId (#​658) (ba48164)
• deps: update dependency semver to v6 (#​655) (ec56c88)

Build System

• upgrade engines field to >=8.10.0 (#​686) (377d5c6)

Features

• support scopes on compute credentials (#​642) (1811b7f)

BREAKING CHANGES

• upgrade engines field to >=8.10.0 (#​686)

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[codecov]

Codecov Report

Merging #493 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #493   +/-   ##
======================================
  Coverage    82.4%   82.4%           
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  Files          50      50           
  Lines        3416    3416           
  Branches      262     262           
======================================
  Hits         2815    2815           
  Misses        537     537           
  Partials       64      64

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