bump Firebase BOM from 33.10.0 to 33.15.0

Author: treitter

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ androidx-test-core = "1.7.0"
 androidx-test-junit = "1.3.0"
 androidx-test-runner = "1.7.0"
 ben-manes-versions = "0.52.0"
-firebase-bom = "33.10.0"
+firebase-bom = "33.15.0"
 gitlive-firebase-java-sdk = "0.4.6"
 gson = "2.13.1"
 junit = "4.13.2"