fix(deps): update dependency file_picker to v8.1.4

Author: renovate[bot]

pubspec.lock

@@ -376,10 +376,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: aac85f20436608e01a6ffd1fdd4e746a7f33c93a2c83752e626bdfaea139b877
+      sha256: "16dc141db5a2ccc6520ebb6a2eb5945b1b09e95085c021d9f914f8ded7f1465c"
       url: "https://pub.dev"
     source: hosted
-    version: "8.1.3"
+    version: "8.1.4"
   firebase_analytics:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -21,7 +21,7 @@ dependencies:
   enum_to_string: 2.0.1
   equatable: 2.0.5
   expandable: 5.0.1
-  file_picker: 8.1.3
+  file_picker: 8.1.4
   firebase_analytics: 11.3.4
   firebase_auth: 5.3.2
   firebase_core: 3.7.0