Bump miniflare from 4.20260219.0 to 4.20260302.0

Bumps [miniflare](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/miniflare) from 4.20260219.0 to 4.20260302.0.
- [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/miniflare@4.20260302.0/packages/miniflare)

---
updated-dependencies:
- dependency-name: miniflare
  dependency-version: 4.20260302.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
 		"@cloudflare/workers-types": "4.20260302.0",
 		"@playform/build": "0.3.0",
 		"@types/dotenv": "8.2.3",
-		"miniflare": "4.20260219.0",
+		"miniflare": "4.20260302.0",
 		"wrangler": "4.67.0"
 	},
 	"publishConfig": {