Bump firebase_core from 3.15.1 to 3.15.2

---
updated-dependencies:
- dependency-name: firebase_core
  dependency-version: 3.15.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pubspec.lock

@@ -109,10 +109,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: c6e8a6bf883d8ddd0dec39be90872daca65beaa6f4cff0051ed3b16c56b82e9f
+      sha256: "7be63a3f841fc9663342f7f3a011a42aef6a61066943c90b1c434d79d5c995c5"
       url: "https://pub.dev"
     source: hosted
-    version: "3.15.1"
+    version: "3.15.2"
   firebase_core_platform_interface:
     dependency: transitive
     description:

pubspec.yaml

@@ -14,7 +14,7 @@ dependencies:
   intl: any
   flutter_background_geolocation: ^4.16.12
   shared_preferences: ^2.5.3
-  firebase_core: ^3.15.1
+  firebase_core: ^3.15.2
   firebase_messaging: ^15.2.8
   firebase_analytics: ^11.5.2
   firebase_crashlytics: ^4.3.8