chore(deps): update dependency google-auth-library to v8

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google-auth-library	^7.3.0 -> ^8.0.0
google-auth-library	^7.0.0 -> ^8.0.0

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Release Notes

googleapis/google-auth-library-nodejs

v8.5.1

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Bug Fixes

• do not use #private (#​1454) (6c30274)

v8.5.0

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Features

• Support Not Requiring projectId When Not Required (#​1448) (b37489b)

Bug Fixes

• add hashes to requirements.txt (#​1544) (#​1449) (54afa8e)
• remove projectId check for signBlob calls (6c04661)

v8.4.0

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Features

• adding configurable token lifespan support (#​1441) (178e3b8)

Bug Fixes

• functions: clarify auth comments (#​1427) (7e06732)

v8.3.0

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Features

• Add generateIdToken support for Impersonated Clients (#​1439) (4ace981)

v8.2.0

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Features

• adds Pluggable Auth support (#​1437) (ed7ef7a)

v8.1.1

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Bug Fixes

• deps: update dependency puppeteer to v15 (#​1424) (1462f2c)

v8.1.0

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Features

• handle impersonated ADC (#​1425) (835be89)

v8.0.3

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Bug Fixes

• deps: update dependency @​googleapis/iam to v3 (#​1421) (0dc8857)

8.0.2 (2022-04-27)

Bug Fixes

• Fixing Implementation of GoogleAuth.sign() for external account credentials (#​1397) (b0ddb75)

8.0.1 (2022-04-22)

Bug Fixes

• deps: update dependency gaxios to v5 (#​1398) (cbd7d4f)
• deps: update dependency google-auth-library to v8 (#​1399) (9a8be63)

v8.0.2

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v8.0.1

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v8.0.0

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⚠ BREAKING CHANGES

• Set Node v12 to minimum supported version & Upgrade TypeScript (#​1392)
• remove deprecated DeprecatedGetClientOptions (#​1393)

Code Refactoring

• remove deprecated DeprecatedGetClientOptions (#​1393) (9c02941)

Build System

• Set Node v12 to minimum supported version & Upgrade TypeScript (#​1392) (b7bcedb)

7.14.1 (2022-03-09)

Bug Fixes

• serverless: clean up ID token example (#​1380) (db27f1b)

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[dpebot]

/gcbrun

[dpebot]

/gcbrun