Pin firebase-datatransport version (#5070)

Author: mrober

firebase-sessions/firebase-sessions.gradle.kts

@@ -52,8 +52,8 @@ dependencies {
   implementation("com.google.firebase:firebase-installations-interop:17.1.0")
   implementation(libs.androidx.annotation)
 
+  runtimeOnly("com.google.firebase:firebase-datatransport:18.1.8")
   runtimeOnly("com.google.firebase:firebase-installations:17.1.3")
-  runtimeOnly(project(":firebase-datatransport"))
 
   kapt(project(":encoders:firebase-encoders-processor"))