Pin photo_manager to version 2.1.4

pubspec.lock

@@ -911,7 +911,7 @@ packages:
       name: photo_manager
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.4"
   photo_view:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -88,7 +88,7 @@ dependencies:
   path: #dart
   path_provider: ^2.0.1
   pedantic: ^1.9.2
-  photo_manager: ^2.1.4
+  photo_manager: 2.1.4
   photo_view: ^0.14.0
   pinput: ^1.2.2
   provider: ^6.0.0