Update dependency katex to v0.16.21 (forgejo) (#6603)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [katex](https://katex.org) ([source](https://github.com/KaTeX/KaTeX)) | dependencies | patch | [`0.16.20` -> `0.16.21`](https://renovatebot.com/diffs/npm/katex/0.16.20/0.16.21) |

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### Release Notes

<details>
<summary>KaTeX/KaTeX (katex)</summary>

### [`v0.16.21`](https://github.com/KaTeX/KaTeX/blob/HEAD/CHANGELOG.md#01621-2025-01-17)

[Compare Source](https://github.com/KaTeX/KaTeX/compare/v0.16.20...v0.16.21)

##### Bug Fixes

-   escape \htmlData attribute name ([57914ad](57914ad91e))

</details>

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### Configuration

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🚦 **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 again.

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Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/6603
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Renovate Bot <forgejo-renovate-action@forgejo.org>
Co-committed-by: Renovate Bot <forgejo-renovate-action@forgejo.org>

package-lock.json

@@ -30,7 +30,7 @@
         "htmx.org": "1.9.12",
         "idiomorph": "0.3.0",
         "jquery": "3.7.1",
-        "katex": "0.16.20",
+        "katex": "0.16.21",
         "mermaid": "11.4.1",
         "mini-css-extract-plugin": "2.9.2",
         "minimatch": "10.0.1",
@@ -10402,9 +10402,9 @@
       "license": "MIT"
     },
     "node_modules/katex": {
-      "version": "0.16.20",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.20.tgz",
-      "integrity": "sha512-jjuLaMGD/7P8jUTpdKhA9IoqnH+yMFB3sdAFtq5QdAqeP2PjiSbnC3EaguKPNtv6dXXanHxp1ckwvF4a86LBig==",
+      "version": "0.16.21",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.21.tgz",
+      "integrity": "sha512-XvqR7FgOHtWupfMiigNzmh+MgUVmDGU2kXZm899ZkPfcuoPuFxyHmXsgATDpFZDAXCI8tvinaVcDo8PIIJSo4A==",
       "funding": [
         "https://opencollective.com/katex",
         "https://github.com/sponsors/katex"

package.json

@@ -29,7 +29,7 @@
     "htmx.org": "1.9.12",
     "idiomorph": "0.3.0",
     "jquery": "3.7.1",
-    "katex": "0.16.20",
+    "katex": "0.16.21",
     "mermaid": "11.4.1",
     "mini-css-extract-plugin": "2.9.2",
     "minimatch": "10.0.1",