chore(deps): bump submodules/vipr from 6c62ff0 to 834d1a8

Bumps [submodules/vipr](https://github.com/microsoft/vipr) from `6c62ff0` to `834d1a8`.
- [Release notes](https://github.com/microsoft/vipr/releases)
- [Commits](microsoft/Vipr@6c62ff0...834d1a8)

---
updated-dependencies:
- dependency-name: submodules/vipr
  dependency-type: direct:production
...

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Author: dependabot[bot]