Fix React 19 crash by using classic JSX transform

Storybook's manager maps `react` to its bundled React via globals, but
`react/jsx-runtime` is not mapped and resolves to the project's React,
causing a dual-React crash in React 19 projects. Switch from automatic
JSX transform to classic (`React.createElement`) so all React usage
goes through the mapped `react` import.

Author: ckundo

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@accesslint/storybook-addon",
-  "version": "0.6.4",
+  "version": "0.6.5",
   "description": "Catch accessibility violations in your Storybook stories as you develop",
   "license": "MIT",
   "publishConfig": {

tsconfig.json

@@ -3,7 +3,7 @@
     "target": "ES2022",
     "module": "ESNext",
     "moduleResolution": "bundler",
-    "jsx": "react-jsx",
+    "jsx": "react",
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,