chore(deps): bump pixi.js from 8.4.1 to 8.6.5

Bumps [pixi.js](https://github.com/pixijs/pixijs) from 8.4.1 to 8.6.5.
- [Release notes](https://github.com/pixijs/pixijs/releases)
- [Commits](pixijs/pixijs@v8.4.1...v8.6.5)

---
updated-dependencies:
- dependency-name: pixi.js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -61,7 +61,7 @@
     "mdast-util-to-hast": "^13.2.0",
     "mdast-util-to-string": "^4.0.0",
     "micromorph": "^0.4.5",
-    "pixi.js": "^8.4.1",
+    "pixi.js": "^8.6.5",
     "preact": "^10.24.1",
     "preact-render-to-string": "^6.5.11",
     "pretty-bytes": "^6.1.1",