Chore(deps): Bump @microsoft/applicationinsights-web from 2.8.6 to 2.8.9

Bumps [@microsoft/applicationinsights-web](https://github.com/microsoft/ApplicationInsights-JS) from 2.8.6 to 2.8.9.
- [Release notes](https://github.com/microsoft/ApplicationInsights-JS/releases)
- [Changelog](https://github.com/microsoft/ApplicationInsights-JS/blob/master/RELEASES.md)
- [Commits](microsoft/ApplicationInsights-JS@2.8.6...2.8.9)

---
updated-dependencies:
- dependency-name: "@microsoft/applicationinsights-web"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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