Description of the patch:
This update for helm fixes the following issues:
Update to version 3.21.3.
- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation
bypass and privilege escalation (bsc#1266598).
- CVE-2026-56852: golang.org/x/text/unicode/norm: handling input containing truncated or invalid UTF-8 bytes can lead
to an infinite loop (bsc#1271997).
Other updates and bugfixes:
- Update x/text to 0.40.0.
- Update x/net to 0.57.0.
- Version 3.21.3:
- Apply suggestions from code review 1ad6e68 (Benoit Tigeot).
- fix: drop containerd v1 dep to resolve govulncheck CVEs 037733e (Benoit Tigeot).
- chore(deps): bump github.com/containerd/containerd from 1.7.32 to 1.7.33 d3e178b.