Allow importing of all firebase packages (#778)

diff --git a/tool/grind.dart b/tool/grind.dart
index 71580a3..63cdca7 100644
--- a/tool/grind.dart
+++ b/tool/grind.dart
@@ -259,6 +259,12 @@
       ...supportedFlutterPackages,
       if (includeFirebase) ...firebasePackages,
     };
+    final dependencies = _dependencyVersions(packages, channel: channel);
+    joinFile(projectDir, ['pubspec.yaml']).writeAsStringSync(createPubspec(
+      includeFlutterWeb: true,
+      nullSafety: nullSafety,
+      dependencies: dependencies,
+    ));
     await _runDartPubGet(sdk.dartSdkPath, projectDir);
   }
   joinFile(projectDir, ['analysis_options.yaml']).writeAsStringSync('''
diff --git a/tool/pub_dependencies_stable.json b/tool/pub_dependencies_stable.json
index 2c4b2b4..1697c9f 100644
--- a/tool/pub_dependencies_stable.json
+++ b/tool/pub_dependencies_stable.json
@@ -78,6 +78,6 @@
   "url_launcher_web": "2.0.4",
   "url_launcher_windows": "2.0.2",
   "vector_math": "2.1.0",
-  "win32": "2.2.9",
+  "win32": "2.2.10",
   "xdg_directories": "0.2.0"
 }
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