Reduce worker_manager memory allocation (#4435)

pubspec.lock

@@ -773,14 +773,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.0.2"
-  flutter_downloader:
-    dependency: "direct main"
-    description:
-      name: flutter_downloader
-      sha256: "93a9ddbd561f8a3f5483b4189453fba145a0a1014a88143c96a966296b78a118"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.12.0"
   flutter_file_dialog:
     dependency: "direct main"
     description:
@@ -2583,43 +2575,12 @@ packages:
   worker_manager:
     dependency: "direct main"
     description:
-      name: worker_manager
-      sha256: "42501e49ee0acad9eeda562984e3dcfe6fe3d26f2d8dc410bd76308a86447eb5"
-      url: "https://pub.dev"
-    source: hosted
-    version: "5.0.3"
-  workmanager:
-    dependency: "direct main"
-    description:
-      name: workmanager
-      sha256: "065673b2a465865183093806925419d311a9a5e0995aa74ccf8920fd695e2d10"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.9.0+3"
-  workmanager_android:
-    dependency: transitive
-    description:
-      name: workmanager_android
-      sha256: "9ae744db4ef891f5fcd2fb8671fccc712f4f96489a487a1411e0c8675e5e8cb7"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.9.0+2"
-  workmanager_apple:
-    dependency: transitive
-    description:
-      name: workmanager_apple
-      sha256: "1cc12ae3cbf5535e72f7ba4fde0c12dd11b757caf493a28e22d684052701f2ca"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.9.1+2"
-  workmanager_platform_interface:
-    dependency: transitive
-    description:
-      name: workmanager_platform_interface
-      sha256: f40422f10b970c67abb84230b44da22b075147637532ac501729256fcea10a47
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.9.1+1"
+      path: "."
+      ref: "hotfix/worker-init-memory-leak"
+      resolved-ref: dd04544217c9fcc08b2a32634583f38d22cc2309
+      url: "https://github.com/linagora/worker_manager.git"
+    source: git
+    version: "7.2.7"
   xdg_directories:
     dependency: transitive
     description: