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

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
@google-cloud/vision	dependencies	major	^1.2.0 -> ^2.0.0

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Release Notes

googleapis/nodejs-vision

v2.0.0

Compare Source

⚠ BREAKING CHANGES

• The library now supports Node.js v10+. The last version to support Node.js v8 is tagged legacy-8 on NPM.

Features

• check status of long running operation by its name (#​773) (2b3becf)
• drop node8 support, support for async iterators (#​568) (e2dccd0)

Bug Fixes

• deps: update dependency @​google-cloud/promisify to v2 (#​565) (c71a709)
• deps: update dependency mathjs to v7 (#​775) (d64d99f)
• deps: update dependency natural to v1 (#​768) (44a8dcc)
• deps: update dependency natural to v2 (#​772) (afdc8da)
• samples: use pureimage instead of canvas (#​774) (a352338)
• mocha tests (#​784) (319c98e)
• remove eslint, update gax, fix generated protos, run the generator (#​756) (72f22b6)

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[codecov]

Codecov Report

Merging #539 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #539   +/-   ##
=======================================
  Coverage   98.44%   98.44%           
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  Files           6        6           
  Lines        3993     3993           
  Branches      178      171    -7     
=======================================
  Hits         3931     3931           
  Misses         59       59           
  Partials        3        3           

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