bug: rename style key to fmt in ts config output

rust/config/1629224985839/alfajores_config.json

@@ -34,7 +34,7 @@
   },
   "tracing": {
     "level": "debug",
-    "style": "json"
+    "fmt": "json"
   },
   "db": "db_path"
 }

rust/config/1629224985839/kovan_config.json

@@ -34,7 +34,7 @@
   },
   "tracing": {
     "level": "debug",
-    "style": "json"
+    "fmt": "json"
   },
   "db": "db_path"
 }

rust/config/1629226112796/alfajores_config.json

@@ -34,7 +34,7 @@
   },
   "tracing": {
     "level": "debug",
-    "style": "json"
+    "fmt": "json"
   },
   "db": "db_path"
 }

rust/config/1629226112796/kovan_config.json

@@ -34,7 +34,7 @@
   },
   "tracing": {
     "level": "debug",
-    "style": "json"
+    "fmt": "json"
   },
   "db": "db_path"
 }

typescript/optics-deploy/src/chain.ts

@@ -85,7 +85,7 @@ export type RustConfig = {
   home: RustContractBlock;
   tracing: {
     level: string;
-    style: string;
+    fmt: 'json';
   };
   db: string;
 };

typescript/optics-deploy/src/core/CoreDeploy.ts

@@ -81,7 +81,7 @@ export class CoreDeploy extends Deploy<CoreContracts> {
       home,
       tracing: {
         level: 'debug',
-        style: 'json',
+        fmt: 'json',
       },
       db: 'db_path',
     };