Bump com.google.firebase:firebase-bom from 33.2.0 to 33.6.0

Bumps com.google.firebase:firebase-bom from 33.2.0 to 33.6.0.

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

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ androidx-test-core = "1.6.1"
 androidx-test-junit = "1.2.1"
 androidx-test-runner = "1.6.2"
 ben-manes-versions = "0.51.0"
-firebase-bom = "33.2.0"
+firebase-bom = "33.6.0"
 gitlive-firebase-java-sdk = "0.4.6"
 gson = "2.11.0"
 junit = "4.13.2"