Bump grammy from 1.30.0 to 1.31.2

Bumps [grammy](https://github.com/grammyjs/grammY) from 1.30.0 to 1.31.2.
- [Release notes](https://github.com/grammyjs/grammY/releases)
- [Commits](grammyjs/grammY@v1.30.0...v1.31.2)

---
updated-dependencies:
- dependency-name: grammy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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