Bump submodules/vipr from 82af8b2 to 63818fa

Bumps [submodules/vipr](https://github.com/microsoft/vipr) from `82af8b2` to `63818fa`.
- [Release notes](https://github.com/microsoft/vipr/releases)
- [Commits](microsoft/Vipr@82af8b2...63818fa)

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

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

Author: dependabot[bot]