Use globalThis instead of global in auto.js (#413)

Co-authored-by: Nicolas Charpentier <[email protected]>

Author: staltz

.eslintrc.js

@@ -1,4 +1,7 @@
 module.exports = {
   extends: '@react-native-community',
   root: true,
+  globals: {
+    globalThis: false,
+  },
 };

index.js

@@ -6,8 +6,8 @@ export * from './js/URL';
 export * from './js/URLSearchParams';
 
 export function setupURLPolyfill() {
-  global.REACT_NATIVE_URL_POLYFILL = `${name}@${version}`;
+  globalThis.REACT_NATIVE_URL_POLYFILL = `${name}@${version}`;
 
-  global.URL = require('./js/URL').URL;
-  global.URLSearchParams = require('./js/URLSearchParams').URLSearchParams;
+  globalThis.URL = require('./js/URL').URL;
+  globalThis.URLSearchParams = require('./js/URLSearchParams').URLSearchParams;
 }