Update README.md saw another Twitter reference. Changed to https://x.com/metasploit

Author: jphamgithub

README.md

@@ -23,7 +23,7 @@ For questions and suggestions, you can:
 - Join our [GitHub Discussions](https://github.com/rapid7/metasploit-framework/discussions) for community support and general questions
 - Join the [Metasploit Slack](https://join.slack.com/t/metasploit/shared_invite/zt-30i688it0-mJsFGT44IMtdeZi1DraamQ) for real-time chat
 - Submit [GitHub Issues](https://github.com/rapid7/metasploit-framework/issues) for bug reports and feature requests
-- Follow [@metasploit](https://twitter.com/metasploit) on Twitter or [@metasploit@infosec.exchange](https://infosec.exchange/@metasploit) on Mastodon for updates
+- Follow [@metasploit](https://x.com/metasploit) on X or [@metasploit@infosec.exchange](https://infosec.exchange/@metasploit) on Mastodon for updates
 
 **Note:** Some community members may still use IRC channels and the metasploit-hackers mailing list, though the primary support channels are now GitHub Discussions and Slack.