Update Rust crate tree-sitter-html to v0.20.4 (#16642)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [tree-sitter-html](https://togithub.com/tree-sitter/tree-sitter-html)
| workspace.dependencies | patch | `0.20.3` -> `0.20.4` |

---

### Release Notes

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

###
[`v0.20.4`](https://togithub.com/tree-sitter/tree-sitter-html/compare/v0.20.3...v0.20.4)

[Compare
Source](https://togithub.com/tree-sitter/tree-sitter-html/compare/v0.20.3...v0.20.4)

</details>

---

### Configuration

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America/New_York, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **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

@@ -11724,9 +11724,9 @@ dependencies = [
 
 [[package]]
 name = "tree-sitter-html"
-version = "0.20.3"
+version = "0.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95b3492b08a786bf5cc79feb0ef2ff3b115d5174364e0ddfd7860e0b9b088b53"
+checksum = "8766b5ad3721517f8259e6394aefda9c686aebf7a8c74ab8624f2c3b46902fd5"
 dependencies = [
  "cc",
  "tree-sitter",