fix(email-nodemailer): skipVerify behavior being reversed (#6790)

Fixes #6789

The skipVerify field in NodemailerAdapterArgs worked in reverse of what
it was supposed to do:
- With skipVerify = true -> Verified transport
- With skipVerify = false -> Did not verify transport

This PR makes the property work in the intended way:
- With skipVerify = true -> DO NOT verify transport
- With skipVerify = false -> DO verify transport

packages/email-nodemailer/src/index.ts

@@ -66,7 +66,7 @@ async function buildEmail(emailConfig?: NodemailerAdapterArgs): Promise<{
     transport = await createMockAccount(emailConfig)
   }
 
-  if (emailConfig.skipVerify !== false) {
+  if (!emailConfig.skipVerify) {
     await verifyTransport(transport)
   }