chore: Bump ajv from 8.17.1 to 8.18.0 (#404)

Bumps [ajv](https://github.com/ajv-validator/ajv) from 8.17.1 to 8.18.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/ajv-validator/ajv/releases">ajv's
releases</a>.</em></p>
<blockquote>
<h2>v8.18.0</h2>
<h2>What's Changed</h2>
<ul>
<li>feat: allow tree-shaking by adding <code>&quot;sideEffects&quot;:
false</code> to <code>package.json</code> by <a
href="https://github.com/josdejong"><code>@​josdejong</code></a> in <a
href="https://redirect.github.com/ajv-validator/ajv/pull/2480">ajv-validator/ajv#2480</a></li>
<li>fix: <a
href="https://redirect.github.com/ajv-validator/ajv/issues/2482">#2482</a>
Infinity and NaN serialise to null by <a
href="https://github.com/jasoniangreen"><code>@​jasoniangreen</code></a>
in <a
href="https://redirect.github.com/ajv-validator/ajv/pull/2487">ajv-validator/ajv#2487</a></li>
<li>fix: small grammatical error in managing-schemas.md by <a
href="https://github.com/monteiro-renato"><code>@​monteiro-renato</code></a>
in <a
href="https://redirect.github.com/ajv-validator/ajv/pull/2508">ajv-validator/ajv#2508</a></li>
<li>fix: typos in schema-language.md by <a
href="https://github.com/monteiro-renato"><code>@​monteiro-renato</code></a>
in <a
href="https://redirect.github.com/ajv-validator/ajv/pull/2507">ajv-validator/ajv#2507</a></li>
<li>fix(pattern): use configured RegExp engine with $data keyword to
mitigate ReDoS attacks (CVE-2025-69873) by <a
href="https://github.com/epoberezkin"><code>@​epoberezkin</code></a> in
<a
href="https://redirect.github.com/ajv-validator/ajv/pull/2586">ajv-validator/ajv#2586</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/josdejong"><code>@​josdejong</code></a>
made their first contribution in <a
href="https://redirect.github.com/ajv-validator/ajv/pull/2480">ajv-validator/ajv#2480</a></li>
<li><a
href="https://github.com/monteiro-renato"><code>@​monteiro-renato</code></a>
made their first contribution in <a
href="https://redirect.github.com/ajv-validator/ajv/pull/2508">ajv-validator/ajv#2508</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/ajv-validator/ajv/compare/v8.17.1...v8.18.0">https://github.com/ajv-validator/ajv/compare/v8.17.1...v8.18.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ajv-validator/ajv/commit/142ce84b807c4fe66e619c22480a28d0e4bd50fa"><code>142ce84</code></a>
8.18.0</li>
<li><a
href="https://github.com/ajv-validator/ajv/commit/720a23fa453ffae8340e92c9b0fe886c54cfe0d5"><code>720a23f</code></a>
fix(pattern): use configured RegExp engine with $data keyword to
mitigate ReD...</li>
<li><a
href="https://github.com/ajv-validator/ajv/commit/82735a15826a30cc51e97a1bbfb59b3d388e4b98"><code>82735a1</code></a>
fix: typos in schema-language.md (<a
href="https://redirect.github.com/ajv-validator/ajv/issues/2507">#2507</a>)</li>
<li><a
href="https://github.com/ajv-validator/ajv/commit/b17ec32cd97542e90ae27231d8a8bce88b9e53b6"><code>b17ec32</code></a>
fix: small grammatical error in managing-schemas.md (<a
href="https://redirect.github.com/ajv-validator/ajv/issues/2508">#2508</a>)</li>
<li><a
href="https://github.com/ajv-validator/ajv/commit/69568d08564303e2c32a2de61feb833b41075f96"><code>69568d0</code></a>
fix: <a
href="https://redirect.github.com/ajv-validator/ajv/issues/2482">#2482</a>
Infinity and NaN serialise to null (<a
href="https://redirect.github.com/ajv-validator/ajv/issues/2487">#2487</a>)</li>
<li><a
href="https://github.com/ajv-validator/ajv/commit/f06766f33ed7291f84c19f22a1286a34475fbdaf"><code>f06766f</code></a>
feat: allow tree-shaking by adding ``&quot;sideEffects&quot;:
false<code>to</code>package.json` ...</li>
<li>See full diff in <a
href="https://github.com/ajv-validator/ajv/compare/v8.17.1...v8.18.0">compare
view</a></li>
</ul>
</details>
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package-lock.json

@@ -31,7 +31,7 @@
   },
   "homepage": "https://github.com/square/web-payments-quickstart#readme",
   "dependencies": {
-    "ajv": "^8.17.1",
+    "ajv": "^8.18.0",
     "async-retry": "^1.3.3",
     "debug": "^4.4.3",
     "dotenv": "^17.3.1",