bump example deps

Author: aminya

examples/hello-world/package.json

@@ -8,10 +8,10 @@
     "build": "parcel build index.html"
   },
   "dependencies": {
-    "babel-preset-solid": "0.18.14",
+    "babel-preset-solid": "0.19.0",
     "parcel": "^2.0.0-beta.1",
-    "solid-js": "0.18.14",
-    "solid-styled-jsx": "0.18.14",
+    "solid-js": "0.19.1",
+    "solid-styled-jsx": "0.19.1",
     "styled-jsx": "3.3.0"
   },
   "devDependencies": {