remove zstd warning message (#7232)

# Description

This removes the warning message we were getting on compilation...

```rust
warning: /Users/ma/j/tmp17/nushell/crates/nu-command/Cargo.toml: version requirement `=2.0.1+zstd.1.5.2` for dependency `zstd-sys` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
```

https://github.com/nushell/nushell/pull/7227

a slight modification of this PR

_(Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.)_

_(Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.)_

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.

crates/nu-command/Cargo.toml

@@ -91,7 +91,7 @@ reedline = { version = "0.14.0", features = ["bashisms", "sqlite"]}
 wax = { version =  "0.5.0" }
 rusqlite = { version = "0.28.0", features = ["bundled"], optional = true }
 sqlparser = { version = "0.23.0", features = ["serde"], optional = true }
-zstd-sys = "=2.0.1+zstd.1.5.2"
+zstd-sys = "2.0.1"
 
 [target.'cfg(windows)'.dependencies]
 winreg = "0.10.1"