Add 18.2.0 info in website (#4747)

Co-authored-by: Sebastian Silbermann <[email protected]>

Author: swarnava

content/versions.yml

@@ -1,3 +1,5 @@
+- title: '18.2.0'
+  changelog: https://github.com/facebook/react/blob/main/CHANGELOG.md#1820-june-14-2022
 - title: '18.1.0'
   changelog: https://github.com/facebook/react/blob/main/CHANGELOG.md#1810-april-26-2022
 - title: '18.0.0'

src/site-constants.js

@@ -8,7 +8,7 @@
 // NOTE: We can't just use `location.toString()` because when we are rendering
 // the SSR part in node.js we won't have a proper location.
 const urlRoot = 'https://reactjs.org';
-const version = '18.1.0';
+const version = '18.2.0';
 const babelURL = 'https://unpkg.com/[email protected]/babel.min.js';
 
 export {babelURL, urlRoot, version};