Automated submodule update: vrs (#136)

Summary:
This is an automated pull request to update the first-party submodule for [facebookresearch/vrs](https://github.com/facebookresearch/vrs).

New submodule commit: facebookresearch/vrs@3054451

Pull Request resolved: #136

Test Plan: Ensure that CI jobs succeed on GitHub before landing.

Reviewed By: georges-berenger

Differential Revision: D67195113

fbshipit-source-id: 53c2f8c96b238e61049fc9683ec49da02dba6daa