Update Rust crate tree-sitter-css to v0.21.1 (#16635)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [tree-sitter-css](https://togithub.com/tree-sitter/tree-sitter-css) |
workspace.dependencies | patch | `0.21.0` -> `0.21.1` |

---

### Release Notes

<details>
<summary>tree-sitter/tree-sitter-css (tree-sitter-css)</summary>

###
[`v0.21.1`](https://togithub.com/tree-sitter/tree-sitter-css/compare/v0.21.0...v0.21.1)

[Compare
Source](https://togithub.com/tree-sitter/tree-sitter-css/compare/v0.21.0...v0.21.1)

</details>

---

### Configuration

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🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

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---

Release Notes:

- N/A

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Cargo.lock

@@ -11657,9 +11657,9 @@ dependencies = [
 
 [[package]]
 name = "tree-sitter-css"
-version = "0.21.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2f806f96136762b0121f5fdd7172a3dcd8f42d37a2f23ed7f11b35895e20eb4"
+checksum = "5e08e324b1cf60fd3291774b49724c66de2ce8fcf4d358d0b4b82e37b41b1c9b"
 dependencies = [
  "cc",
  "tree-sitter",