Bump zstd-sys from 2.0.1+zstd.1.5.2 to 2.0.6+zstd.1.5.2

Bumps [zstd-sys](https://github.com/gyscos/zstd-rs) from 2.0.1+zstd.1.5.2 to 2.0.6+zstd.1.5.2.
- [Release notes](https://github.com/gyscos/zstd-rs/releases)
- [Commits](https://github.com/gyscos/zstd-rs/commits)

---
updated-dependencies:
- dependency-name: zstd-sys
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -17,7 +17,7 @@ libc = "0.2.65"
 openssl-sys = { version = "0.9.48", optional = true }
 libz-sys = { version = "1.0.0", optional = true }
 curl-sys = { version = "0.4.55", optional = true }
-zstd-sys = { version = "2.0.0", optional = true }
+zstd-sys = { version = "2.0.6", optional = true }
 lz4-sys = { version = "1.8.3", optional = true }
 sasl2-sys = { version = "0.1.6", optional = true }