Bump webpack to make dependabot happy (#1344)

## Checklist

- [ ] I have added
[tests](https://www.cursorless.org/docs/contributing/test-case-recorder/)
- [ ] I have updated the
[docs](https://github.com/cursorless-dev/cursorless/tree/main/docs) and
[cheatsheet](https://github.com/cursorless-dev/cursorless/tree/main/cursorless-talon/src/cheatsheet)
- [ ] I have not broken the cheatsheet

Author: pokey

packages/cheatsheet-local/package.json

@@ -47,7 +47,7 @@
     "ts-loader": "9.4.2",
     "ts-node": "10.9.1",
     "typescript": "^4.9.5",
-    "webpack": "5.75.0",
+    "webpack": "5.76.2",
     "webpack-cli": "5.0.1",
     "webpack-dev-server": "4.11.1"
   }