fix(deps): update dependency @google-cloud/common to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
@​google-cloud/common	dependencies	major	^1.0.0 -> ^2.0.0	source

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Release Notes

googleapis/nodejs-common

v2.0.0

Compare Source

⚠ BREAKING CHANGES

• This adds the apiEndpoint property as a required field for the ServiceConfig, and makes it a public property on the Service class. This is being added to broadly support apiEndpoint overrides.

Features

• add apiEndpoint property to service config (#​427) (c063df8), closes googleapis/nodejs-bigquery#​455

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[codecov]

Codecov Report

Merging #366 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #366   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           2      2           
  Lines          35     35           
=====================================
  Hits           35     35

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