Bump colorthief from 2.4.0 to 2.6.0 (#684)

Bumps [colorthief](https://github.com/lokesh/color-thief) from 2.4.0 to 2.6.0.
- [Release notes](https://github.com/lokesh/color-thief/releases)
- [Commits](lokesh/color-thief@v2.4.0...v2.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -14,7 +14,7 @@
         "@mdi/font": "7.4.47",
         "@mdi/js": "7.4.47",
         "color": "4.2.3",
-        "colorthief": "2.4.0",
+        "colorthief": "2.6.0",
         "home-assistant-js-websocket": "9.4.0",
         "marked": "^14.1.2",
         "mitt": "3.0.1",