Bump the npm group across 1 directory with 3 updates (#3701)

Bumps the npm group with 3 updates in the /example/app directory: [baseline-browser-mapping](https://github.com/web-platform-dx/baseline-browser-mapping), [electron-to-chromium](https://github.com/kilian/electron-to-chromium) and [update-browserslist-db](https://github.com/browserslist/update-db). Updates `baseline-browser-mapping` from 2.9.0 to 2.9.2 - [Release notes](https://github.com/web-platform-dx/baseline-browser-mapping/releases) - [Commits](web-platform-dx/baseline-browser-mapping@v2.9.0...v2.9.2) Updates `electron-to-chromium` from 1.5.264 to 1.5.265 - [Changelog](https://github.com/Kilian/electron-to-chromium/blob/master/CHANGELOG.md) - [Commits](Kilian/electron-to-chromium@v1.5.264...v1.5.265) Updates `update-browserslist-db` from 1.2.1 to 1.2.2 - [Release notes](https://github.com/browserslist/update-db/releases) - [Changelog](https://github.com/browserslist/update-db/blob/main/CHANGELOG.md) - [Commits](browserslist/update-db@1.2.1...1.2.2) --- updated-dependencies: - dependency-name: baseline-browser-mapping dependency-version: 2.9.2 dependency-type: indirect update-type: version-update:semver-patch dependency-group: npm - dependency-name: electron-to-chromium dependency-version: 1.5.265 dependency-type: indirect update-type: version-update:semver-patch dependency-group: npm - dependency-name: update-browserslist-db dependency-version: 1.2.2 dependency-type: indirect update-type: version-update:semver-patch dependency-group: npm ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]