Fix up the UMD build

Author: cbeer

vite.config.js

@@ -42,7 +42,6 @@ export default defineConfig({
         rollupOptions: {
           external: [
             ...Object.keys(packageJson.peerDependencies),
-            'react/jsx-runtime',
             '__tests__/*',
             '__mocks__/*',
           ],
@@ -52,14 +51,16 @@ export default defineConfig({
             globals: {
               react: 'React',
               'react-dom': 'ReactDOM',
-              'react/jsx-runtime': 'react/jsx-runtime',
             },
           },
         },
         sourcemap: true,
       },
     }
   ),
+  define: {
+    'process.env': {},
+  },
   esbuild: {
     exclude: [],
     // Matches .js and .jsx in __tests__ and .jsx in src