Bumped Maps SDK dependency to 8.4.0 (#1056)

Author: Langston Smith

gradle/dependencies.gradle

@@ -7,7 +7,7 @@
   ]
 
   version = [
-      mapboxMapSdk       : '8.3.0',
+      mapboxMapSdk       : '8.4.0',
       mapboxJava         : '4.9.0',
       playLocation       : '16.0.0',
       autoValue          : '1.5.4',