chore(deps): update dependency sinon to v15.0.3 (#1888)

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [sinon](https://sinonjs.org/) ([source](https://togithub.com/sinonjs/sinon)) | [`15.0.2` -> `15.0.3`](https://renovatebot.com/diffs/npm/sinon/15.0.2/15.0.3) | [![age](https://badges.renovateapi.com/packages/npm/sinon/15.0.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/sinon/15.0.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/sinon/15.0.3/compatibility-slim/15.0.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/sinon/15.0.3/confidence-slim/15.0.2)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>sinonjs/sinon</summary>

### [`v15.0.3`](https://togithub.com/sinonjs/sinon/blob/HEAD/CHANGES.md#&#8203;1503)

[Compare Source](https://togithub.com/sinonjs/sinon/compare/v15.0.2...v15.0.3)

-   [`b775f1b4`](https://togithub.com/sinonjs/sinon/commit/b775f1b4174c5a92fa7fa8f70fbf3f4b5466a39e)
    Avoid tampering with globals and other modules' exports in tests ([#&#8203;2504](https://togithub.com/sinonjs/sinon/issues/2504)) (Carl-Erik Kopseng)
-   [`477064b6`](https://togithub.com/sinonjs/sinon/commit/477064b628c65220ce9d0ac16cd33ab9b1da93da)
    fix: make it possible to call through to underlying stub in stub instance ([#&#8203;2503](https://togithub.com/sinonjs/sinon/issues/2503)) (Carl-Erik Kopseng)
    > closes [#&#8203;2501](https://togithub.com/sinonjs/sinon/issues/2501)
-   [`6e19746e`](https://togithub.com/sinonjs/sinon/commit/6e19746e255dfa0fcf78af076e49d5db0eb11c07)
    Remove dead Travis and Gitter references (Carl-Erik Kopseng)

*Released by [Carl-Erik Kopseng](https://togithub.com/fatso83) on 2023-03-26.*

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 9am and before 3pm" (UTC), Automerge - At any time (no schedule defined).

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

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/release-please).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4xNC4yIiwidXBkYXRlZEluVmVyIjoiMzUuMTQuMiJ9-->

package.json

@@ -63,7 +63,7 @@
     "gts": "^3.1.0",
     "mocha": "^9.2.2",
     "nock": "^13.0.0",
-    "sinon": "15.0.2",
+    "sinon": "15.0.3",
     "snap-shot-it": "^7.0.0"
   },
   "dependencies": {