chore(deps-dev): bump browserslist from 4.28.5 to 4.28.9 in /demos/employee-directory

[dependabot]

Bumps browserslist from 4.28.5 to 4.28.9.

Release notes

Sourced from browserslist's releases.

4.28.9

• Improve or parsing performance (by @​NotAFlightRisk).

4.28.8

• Fixed including kaios in baseline queries (by @​Jaybhade).

4.28.7

• Improved parsing performance.
• Fixed unbounded memory growth (by @​alanturing881).
• Fixed prototype write issue (by @​alanturing881).

4.28.6

• Fixed Electron version queries (by @​spokodev).

Changelog

Sourced from browserslist's changelog.

4.28.9

• Improve or parsing performance (by @​NotAFlightRisk).

4.28.8

• Fixed including kaios in baseline queries (by @​Jaybhade).

4.28.7

• Improved parsing performance.
• Fixed unbounded memory growth (by @​alanturing881).
• Fixed prototype write issue (by @​alanturing881).

4.28.6

• Fixed Electron version queries (by @​spokodev).

Commits

• 12ed525 Release 4.28.9 version
• b1d8cf9 Update dependencies
• 21517b6 Improve or parsing performance
• f2f2e6c Release 4.28.8 version
• d0787c8 Update dependencies
• fcf8fa9 Merge pull request #939 from Jaybhade/fix/baseline-kaios-without-downstream
• 57ecd64 fix: support "including kaios" without downstream
• 093a0f6 Update EM banner
• b637868 Release 4.28.7 version
• 313f465 Update dependencies
• Additional commits viewable in compare view