Bump simple-keyboard from 3.8.8 to 3.8.9

Bumps [simple-keyboard](https://github.com/hodgef/simple-keyboard) from 3.8.8 to 3.8.9.
- [Release notes](https://github.com/hodgef/simple-keyboard/releases)
- [Commits](https://github.com/hodgef/simple-keyboard/commits)

---
updated-dependencies:
- dependency-name: simple-keyboard
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "html-webpack-plugin": "^5.6.0",
     "jest": "^26.6.3",
     "mini-css-extract-plugin": "^2.8.1",
-    "simple-keyboard": "3.8.8",
+    "simple-keyboard": "3.8.9",
     "style-loader": "^4.0.0",
     "terser-webpack-plugin": "^5.3.10",
     "typescript": "^5.6.3",