fix ts-graphviz dependency version

Author: kamiazya

README.md

@@ -25,7 +25,7 @@ $ npm install @ts-graphviz/react
 
 ```bash
 # Peer Dependencies
-$ yarn add react react-dom ts-graphviz
+$ yarn add react react-dom ts-graphviz@"^0.12.0"
 # Optional Peer Dependencies
 $ yarn add @hpcc-js/wasm
 ```

package.json

@@ -38,7 +38,7 @@
  "@hpcc-js/wasm": "^0.3.13",
  "react": ">=16.8.0",
  "react-dom": ">=16.8.0",
- "ts-graphviz": ">=0.10.0"
+ "ts-graphviz": "^0.12.0"
  },
  "peerDependenciesMeta": {
  "@hpcc-js/wasm": {