fix(deps): update dependency google-gax to v4.4.1

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google-gax (source)	4.3.9 -> 4.4.1

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Release Notes

googleapis/gax-nodejs (google-gax)

v4.4.1

Compare Source

Bug Fixes

• expose underlying error with timeouts or retries (#​1650) (f4d037a)

v4.4.0

Compare Source

Features

• Improve AuthClient Compatibility (#​1641) (4edd33d)

Bug Fixes

• deps: update dependency protobufjs-cli to v1.1.3 (#​1645) (1b2ffdf)

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