This update for zypper-docker fixes the following issues
- CVE-2026-2808: github.com/hashicorp/consul: unvalidated user-supplied file paths can lead to arbitrary file reads
through the Vault Kubernetes authentication provider (bsc#1259563).
- CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo-
header (bsc#1260086).
Changes for zypper-docker:
- update vendor provided docker to v28.5.2
- update go sources to use new docker api
- update vendor directory to reflect docker update
- Fix golint import path
- migrate to go 1.11 module
- ci: use registry.opensuse.org