Bump firebase from 8.6.8 to 9.9.2

[dependabot[bot]]

Bumps firebase from 8.6.8 to 9.9.2.

Commits

• a80e29c Version Packages (#6507)
• 091e573 Merge master into release
• 1076551 Expose setIndexConfiguration (#6496)
• 772da5a Fix TOC path for v9 docs (#6498)
• 82a6add Warn instead of throw for idb errors in core app (#6480)
• 6a17eb6 Add firefox cross browser test to changed packages (#6481)
• f5426a5 Implement configureFieldIndexes with tests (#6403)
• 34c503c Generate v8 docs with correct project paths (#6475)
• f32cc8f Do not run check-changeset on release PR (#6422)
• 33d865d Fix search/replace for CDN bundles (#6474)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)