Bump location from 6.0.2 to 7.0.0 in /flutter_maps_firestore (#2340)

Author: dependabot[bot]

flutter_maps_firestore/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
   firebase_core: ">=2.11.0 <4.0.0"
   google_maps_flutter: ^2.2.6
   google_maps_webservice: ^0.0.20-nullsafety.5
-  location: ">=4.4.0 <7.0.0"
+  location: ^7.0.0
 
 dev_dependencies:
   analysis_defaults: