chore(deps-dev): bump sinon from 7.5.0 to 9.0.0

[dependabot-preview[bot]]

Bumps sinon from 7.5.0 to 9.0.0.

Changelog

Sourced from sinon's changelog.

9.0.0 / 2020-02-19

• Ignore errors on thisValue property accesses (#2216)
• Add firstArg to spy calls and fakes. (#2150)
• Drop Node 8 support

8.1.1 / 2020-01-22

• Fundraiser for better docs: https://www.gofundme.com/f/sinon-docs

8.1.0 / 2020-01-16

• Support negative indices in getCall (#2199)

8.0.4 / 2020-01-06

• Remove misleading 'own' from exception message

8.0.3 / 2020-01-06

• Move .printf to proxy

8.0.2 / 2019-12-30

• Upgrade @sinonjs/samsam to latest
• Upgrade nise to 3.0.1

8.0.1 / 2019-12-23

• Force upgrade @sinonjs/commons (#2181)
• Update docs/changelog.md and set new release id in docs/_config.yml
• Add release documentation for v8.0.0

8.0.0 / 2019-12-22

The major release is caused by removing old mistakes and upgrading dependencies that themselves have had new major releases.

• Upgrade nise, @sinonjs/formatio, @sinonjs/samsam and @sinonjs/referee
• Update lolex and nise to get new async timer methods (see https://github.com/sinonjs/lolex/blob/master/CHANGELOG.md)
• Remove sinon.spyCall
• Remove sinon.sandbox.create
• Remove obsolete deprecated.printWarning stubbing from test

... (truncated)

Commits

• 27225e4 9.0.0
• a83cff9 Update CHANGELOG.md and AUTHORS for new release
• a49167c Ignore errors on thisValue property accesses
• 8c8336c Add failing test for #2215
• 10a9182 Replace lolex with @sinonjs/fake-timers
• 0b30187 Bump nise to 4.0.1
• 823194c Bump @sinonjs/samsam
• 9f7483f Bump @sinonjs/formatio
• 3a5e5c7 Merge pull request #2210 from mroderick/drop-node-8
• 7498f1a using more explicit assertions (#2221)
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #443.