fix(deps): update dependency @google-cloud/common to ^0.21.0

[renovate]

This Pull Request updates dependency @google-cloud/common (source) from ^0.20.0 to ^0.21.0

Note: This PR was created on a configured schedule ("after 9am and before 3pm") and will not receive updates outside those times.

Release Notes

v0.21.1

Compare Source

Bug fixes

• fix: method metadata can be a boolean (#​206)

Build and Test

• test: throw on deprecation (#​198)
• chore(deps): update dependency typescript to v3 (#​197)
• chore: ignore package-lock.json (#​205)

---

v0.21.0

Compare Source
This release has breaking changes.

Node.js support

Versions 4.x and 9.x of node.js are no longer supported. Please upgrade to node.js 8.x or 10.x.

New npm modules

The support for pagination, promisification, and project Id replacement have been moved into their own npm modules. You can find them at:

• @​google-cloud/projectify
• @​google-cloud/promisify
• @​google-cloud/paginator

These methods have been removed from @google-cloud/common.

Breaking Changes

• fix: drop support for node.js 4.x and 9.x (#​190)
• chore: cut out code split into other modules (#​194)

Implementation Changes

• fix: make ServiceObject#id protected to allow subclass access (#​200)

Internal / Testing Changes

• chore(deps): update dependency gts to ^0.8.0 (#​192)
• chore: update renovate config (#​202)
• refactor: remove circular imports (#​201)
• fix: special JSON.stringify for for strictEqual test (#​199)
• chore: assert.deelEqual => assert.deepStrictEqual (#​196)
• chore: move mocha options to mocha.opts (#​195)
• Update config.yml (#​191)

---

---

This PR has been generated by Renovate Bot.

[codecov]

Codecov Report

Merging #82 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #82   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           4      4           
  Lines         269    269           
=====================================
  Hits          269    269

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9e5ef35...cc3b191. Read the comment docs.