Bump com.google.firebase:firebase-bom from 34.5.0 to 34.6.0 (#665)

Bumps com.google.firebase:firebase-bom from 34.5.0 to 34.6.0.

---
updated-dependencies:
- dependency-name: com.google.firebase:firebase-bom
  dependency-version: 34.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ chatkit = "5e99a8bf3c"
 constraintlayoutCompose = "1.1.1"
 credentialsPlayServicesAuth = "1.5.0"
 espressoCore = "3.6.1"
-firebaseBom = "34.5.0"
+firebaseBom = "34.6.0"
 composeBom = "2025.11.00"
 fragmentviewbindingdelegateKt = "1.0.2"
 googleid = "1.1.1"