chore(deps): update dependency sinon to v9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sinon (source)	devDependencies	major	7.4.2 -> 9.0.1

---

Release Notes

sinonjs/sinon

v9.0.1

Compare Source

==================

• Fix #​2226: restore props defined on prototype chain by deleting

v9.0.0

Compare Source

==================

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

v8.1.1

Compare Source

==================

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

v8.1.0

Compare Source

==================

• Support negative indices in getCall (#​2199)

v8.0.4

Compare Source

==================

• Remove misleading 'own' from exception message

v8.0.3

Compare Source

==================

• Move .printf to proxy

v8.0.2

Compare Source

==================

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

v8.0.1

Compare Source

==================

• 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

v8.0.0

Compare Source

==================

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

v7.5.0

Compare Source

==================

• Add sinon.assert.calledOnceWithExactly
• Feature parity: support spying all methods on an object

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[coveralls]

Pull Request Test Coverage Report for Build 910

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 95.205%

---

Totals
Change from base Build 788:	0.0%
Covered Lines:	89
Relevant Lines:	91

---

💛 - Coveralls