v4.5.0

What's Changed

• feat: add idempotency key support to POST /emails/batch by @Cisneiros in https://github.com/resend/resend-node/pull/505
• chore: bump to v4.5.0-canary.0 by @Cisneiros in https://github.com/resend/resend-node/pull/506
• chore: bump to v4.5.0 by @Cisneiros in https://github.com/resend/resend-node/pull/507

Full Changelog: https://github.com/resend/resend-node/compare/v4.4.1...v4.5.0