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	^3.1.1 -> ^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 #422 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #422   +/-   ##
=====================================
  Coverage      98%    98%           
=====================================
  Files           5      5           
  Lines         401    401           
  Branches       99     99           
=====================================
  Hits          393    393           
  Misses          3      3           
  Partials        5      5

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