chore(deps-dev): bump vite-plugin-static-copy in /frontend (#625)

Bumps [vite-plugin-static-copy](https://github.com/sapphi-red/vite-plugin-static-copy) from 2.3.1 to 3.0.0.
- [Release notes](https://github.com/sapphi-red/vite-plugin-static-copy/releases)
- [Changelog](https://github.com/sapphi-red/vite-plugin-static-copy/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sapphi-red/vite-plugin-static-copy/compare/[email protected]@3.0.0)

---
updated-dependencies:
- dependency-name: vite-plugin-static-copy
  dependency-version: 3.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

frontend/package-lock.json

@@ -120,7 +120,7 @@
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.32.1",
     "vite": "^6.2.4",
-    "vite-plugin-static-copy": "^2.3.1",
+    "vite-plugin-static-copy": "^3.0.0",
     "vite-tsconfig-paths": "^5.1.4",
     "vitest": "^3.1.1",
     "vitest-mock-extended": "^3.1.0"