Bump miniflare from 2.14.1 to 3.20231218.2

Bumps [miniflare](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/miniflare) from 2.14.1 to 3.20231218.2.
- [Release notes](https://github.com/cloudflare/workers-sdk/releases)
- [Changelog](https://github.com/cloudflare/workers-sdk/blob/main/packages/miniflare/CHANGELOG.md)
- [Commits](https://github.com/cloudflare/workers-sdk/commits/[email protected]/packages/miniflare)

---
updated-dependencies:
- dependency-name: miniflare
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/shopify-api/package.json

@@ -90,7 +90,7 @@
     "@types/uuid": "^9.0.0",
     "express": "^4.17.13",
     "jest-environment-miniflare": "^2.12.1",
-    "miniflare": "^2.6.0",
+    "miniflare": "^3.20231218.2",
     "rollup": "^2.79.1",
     "rollup-plugin-swc": "^0.2.1",
     "supertest": "^6.1.3"