Bump esbuild and vite in /templates/react-solidity-hardhat/frontend

Bumps [esbuild](https://github.com/evanw/esbuild) to 0.25.6 and updates ancestor dependency [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite). These dependencies need to be updated together.


Updates `esbuild` from 0.21.5 to 0.25.6
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG-2024.md)
- [Commits](evanw/esbuild@v0.21.5...v0.25.6)

Updates `vite` from 5.4.19 to 7.0.4
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/main/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v7.0.4/packages/vite)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-version: 0.25.6
  dependency-type: indirect
- dependency-name: vite
  dependency-version: 7.0.4
  dependency-type: direct:development
...

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

Author: dependabot[bot]