fix: estabiliza templates de e-mail no CI

- Usa @react-email/components nos templates para evitar módulos ausentes no Bun 1.3.1\n- Ajusta preload do bun test para expor global Element (evita crash do PrismJS)

tests/setup/bun-test-env.ts

@@ -33,6 +33,14 @@ if (typeof window === "undefined" || typeof document === "undefined") {
   }
 }
 
+const globalTarget = globalThis as Record<string, unknown>
+if (typeof globalTarget.Element === "undefined") {
+  const win = globalTarget.window as undefined | { Element?: unknown }
+  if (win?.Element) {
+    globalTarget.Element = win.Element
+  }
+}
+
 const applyFixedDate = () => {
   if (fixedTimestamp === null) {
     globalThis.Date = OriginalDate