Bumps [deps/zstd](https://github.com/facebook/zstd) from `6a86db1` to `3c50854`.
- [Release notes](https://github.com/facebook/zstd/releases)
- [Commits](6a86db11a4...3c50854c05
)
---
updated-dependencies:
- dependency-name: deps/zstd
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>