This update for go-sendxmpp fixes the following issues:

- Update to 0.15.0:
Added:
* Add flag --verbose to show debug information.
* Add flag --recipients to specify recipients by file.
* Add flag --retry-connect to try after a waiting time if the connection fails.
* Add flag --retry-connect-max to specify the amount of retry attempts.
* Add flag --legacy-pgp for using XEP-0027 PGP encryption with Ox keys.
* Add support for punycode domains.
Changed:
* Update gopenpgp library to v3.
* Improve error detection for MUC joins.
* Don't try to connect to other SRV record targets if error contains 'auth-failure'.
* Remove support for old SSDP version (via go-xmpp v0.2.15).
* Http-upload: Stop checking other disco items after finding upload component.
* Increase default TLS version to 1.3.
- CVE-2025-22872: Fixed golang.org/x/net/html: incorrectly interpreted tags can cause content to be placed wrong scope during DOM construction (boo#1241814)

- Update to 0.14.1:
* Use prettier date format for error messages.
* Update XEP-0474 to version 0.4.0 (requires go-xmpp >= 0.2.10).