chore(deps): bump submodules/vipr from 0921e55 to 7a2be75

Bumps [submodules/vipr](https://github.com/microsoft/vipr) from `0921e55` to `7a2be75`.
- [Release notes](https://github.com/microsoft/vipr/releases)
- [Commits](microsoft/Vipr@0921e55...7a2be75)

---
updated-dependencies:
- dependency-name: submodules/vipr
  dependency-version: 7a2be75ec59a2c4b684ed9dac4389e7819aafb3a
  dependency-type: direct:production
...

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Author: dependabot[bot]