Bump simple-keyboard from 3.8.21 to 3.8.22

Bumps [simple-keyboard](https://github.com/hodgef/simple-keyboard) from 3.8.21 to 3.8.22.
- [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]>

package.json

@@ -75,7 +75,7 @@
     "postcss-loader": "^8.1.1",
     "react": "^16.0.0 || ^17.0.0 || ^18.0.0",
     "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0",
-    "simple-keyboard": "3.8.21",
+    "simple-keyboard": "3.8.22",
     "style-loader": "^4.0.0",
     "terser-webpack-plugin": "^5.3.10",
     "typescript": "^4.9.5",