feat: use rust rqbit to replace aria2c

pubspec.lock

@@ -57,15 +57,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.7.0"
-  aria2:
-    dependency: "direct main"
-    description:
-      path: "."
-      ref: HEAD
-      resolved-ref: b274c4c25e7ab49940b43d20e2fd335cfeef1c37
-      url: "https://github.com/xkeyC/dart_aria2_rpc.git"
-    source: git
-    version: "0.1.3"
   async:
     dependency: transitive
     description:
@@ -774,14 +765,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.9.0"
-  json_rpc_2:
-    dependency: transitive
-    description:
-      name: json_rpc_2
-      sha256: "246b321532f0e8e2ba474b4d757eaa558ae4fdd0688fdbc1e1ca9705f9b8ca0e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.3"
   json_serializable:
     dependency: "direct dev"
     description: