Bump esbuild and tsx in /agent-todo

Bumps [esbuild](https://github.com/evanw/esbuild) to 0.25.4 and updates ancestor dependency [tsx](https://github.com/privatenumber/tsx). These dependencies need to be updated together.


Updates `esbuild` from 0.23.1 to 0.25.4
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG-2024.md)
- [Commits](evanw/esbuild@v0.23.1...v0.25.4)

Updates `tsx` from 4.19.2 to 4.19.4
- [Release notes](https://github.com/privatenumber/tsx/releases)
- [Changelog](https://github.com/privatenumber/tsx/blob/master/release.config.cjs)
- [Commits](privatenumber/tsx@v4.19.2...v4.19.4)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-version: 0.25.4
  dependency-type: indirect
- dependency-name: tsx
  dependency-version: 4.19.4
  dependency-type: direct:development
...

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

Author: dependabot[bot]