updated pubspec

pubspec.lock

@@ -43,13 +43,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
-  convert:
-    dependency: transitive
-    description:
-      name: convert
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.1"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -75,7 +68,7 @@ packages:
       name: flutter_svg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.17.4"
+    version: "0.23.0+1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -108,21 +101,21 @@ packages:
       name: path_drawing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.1+1"
+    version: "0.5.1+1"
   path_parsing:
     dependency: transitive
     description:
       name: path_parsing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.2.1"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "4.4.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -190,7 +183,7 @@ packages:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.7.0"
+    version: "5.3.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.6.7"
+  dart: ">=2.14.0 <3.0.0"
+  flutter: ">=1.24.0-7.0"

pubspec.yaml

@@ -28,7 +28,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
-  flutter_svg: ^0.17.4
+  flutter_svg: ^0.23.0+1
 
 dev_dependencies:
   flutter_test: