Bump wavesurfer.js from 6.6.4 to 7.8.8

Bumps [wavesurfer.js](https://github.com/katspaugh/wavesurfer.js) from 6.6.4 to 7.8.8.
- [Release notes](https://github.com/katspaugh/wavesurfer.js/releases)
- [Commits](katspaugh/wavesurfer.js@6.6.4...7.8.8)

---
updated-dependencies:
- dependency-name: wavesurfer.js
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -29,7 +29,7 @@
     "bootstrap-icons": "^1.11.3",
     "jsoneditor": "^10.1.0",
     "localforage": "^1.10.0",
-    "wavesurfer.js": "^6.6.4"
+    "wavesurfer.js": "^7.8.8"
   },
   "devDependencies": {
     "@biomejs/biome": "1.9.4",