⬆️ Bump axios and @cosmjs/stargate in /sample/server

Bumps [axios](https://github.com/axios/axios) to 1.6.7 and updates ancestor dependency [@cosmjs/stargate](https://github.com/cosmos/cosmjs). These dependencies need to be updated together.


Updates `axios` from 0.21.4 to 1.6.7
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](axios/axios@v0.21.4...v1.6.7)

Updates `@cosmjs/stargate` from 0.26.6 to 0.32.2
- [Changelog](https://github.com/cosmos/cosmjs/blob/main/CHANGELOG.md)
- [Commits](cosmos/cosmjs@v0.26.6...v0.32.2)

---
updated-dependencies:
- dependency-name: axios
  dependency-type: indirect
- dependency-name: "@cosmjs/stargate"
  dependency-type: direct:production
...

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