chore(deps): update uv: bump mem0ai from 1.0.1 to 2.0.0b2 (#272)

Bumps [mem0ai](https://github.com/mem0ai/mem0) from 1.0.1 to 2.0.0b2.
- [Release notes](https://github.com/mem0ai/mem0/releases)
- [Commits](mem0ai/mem0@openclaw-v1.0.1...v2.0.0b2)

---
updated-dependencies:
- dependency-name: mem0ai
  dependency-version: 2.0.0b2
  dependency-type: indirect
...

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

Author: dependabot[bot]