fix(shared): link duplication with render's plainText mode (#2458)

Co-authored-by: gabriel miranda <gabrielmfern@outlook.com>

Author: niquenen

.changeset/easy-singers-film.md

@@ -0,0 +1,5 @@
+---
+"@react-email/render": minor
+---
+
+fix link duplication in plain text mode

packages/render/src/shared/utils/to-plain-text.ts

@@ -9,7 +9,7 @@ export const plainTextSelectors: SelectorDefinition[] = [
   { selector: '[data-skip-in-text=true]', format: 'skip' },
   {
     selector: 'a',
-    options: { linkBrackets: false },
+    options: { linkBrackets: false, hideLinkHrefIfSameAsText: true },
   },
 ];