Update dependency sinon to v5.1.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sinon (source)	devDependencies	minor	5.0.7 -> 5.1.1

---

Release Notes

sinonjs/sinon

v5.1.1

Compare Source

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

• Remove ES2015 'module' field for 5x branch (fix in seperate branch - see tag)

v5.1.0

Compare Source

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

• Add in matcher (#​1811)

v5.0.10

Compare Source

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

• Remove functions shadowing time related sandbox methods (#​1802)

v5.0.9

Compare Source

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

• Upgrade @std/esm to esm.

v5.0.8

Compare Source

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

• Add isSealed check to is-es-module to make certain ESM mocks possible

---

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 if you modify the PR title to begin with "rebase!".

🔕 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 Renovate Bot. View repository job log here.

[codecov]

Codecov Report

Merging #19 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #19   +/-   ##
======================================
  Coverage    99.6%   99.6%           
======================================
  Files          16      16           
  Lines         256     256           
======================================
  Hits          255     255           
  Misses          1       1