[PLA-2198] Add canary-matrix v1020

lib/consts/matrix/canary/canary.dart

@@ -1,9 +1,3 @@
-export 'v500.dart';
-export 'v600.dart';
-export 'v601.dart';
-export 'v602.dart';
-export 'v604.dart';
-export 'v605.dart';
 export 'v1000.dart';
 export 'v1001.dart';
 export 'v1002.dart';
@@ -15,3 +9,10 @@ export 'v1010.dart';
 export 'v1011.dart';
 export 'v1012.dart';
 export 'v1013.dart';
+export 'v1020.dart';
+export 'v500.dart';
+export 'v600.dart';
+export 'v601.dart';
+export 'v602.dart';
+export 'v604.dart';
+export 'v605.dart';

lib/consts/matrix/matrix.dart

@@ -2,7 +2,7 @@ import 'canary/canary.dart' as c;
 import 'production/production.dart' as p;
 
 String canaryLatest() {
-  return c.v1013;
+  return c.v1020;
 }
 
 String productionLatest() {
@@ -53,6 +53,8 @@ String canarySpec(specVersion) {
       return c.v1012;
     case 1013:
       return c.v1013;
+    case 1020:
+      return c.v1020;
     default:
       return canaryLatest();
   }

lib/handler/general.dart

@@ -16,7 +16,7 @@ int getLatestSpecVersion(network) {
     return 1050;
   }
   if (network == 'canary' || network == 'canary-matrixchain') {
-    return 1013;
+    return 1020;
   }
   return 1014;
 }