SUSE-SU-2026:22053-1

This update for elemental-system-agent fixes the following issue

• CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header (bsc#1260277).

Changes:

• Update to version 0.3.16:

• setup for immutable releases (#274)
• align system-agent image publishing for signed releases (#270)
• Bumo github.com/docker/cli to v29.2.0 and go.opentelemetry.io/otel to v1.43.0
• run go mod tidy in /test folder
• Bump google.golang.org/grpc from 1.75.0 to 1.79.3 (bsc#1260277 CVE-2026-33186)
• Bump github.com/docker/cli in /test
• export CATTLE_NODE_NAME if SYSTEM_UPGRADE_NODE_NAME is set
• use correct prefix for system-agent binary (#273)
• checksum validation (#271)
• Add validate subcommand for configuration validation (#250)
• Update CODEOWNERS
• Pin GH Actions to commit sha
• chore: bump sles to 15.7
• Extend remote plan e2e tests
• Fix agent restart issue and introduce constants
• chore: bump go to v1.25
• Setup e2e test infrastructure
• chores(deps): Bump k8s dependencies
• Define linter rules
• Fix CI failures
• Introduce an extended Makefile
• Switch workflows to use name makefile
• Replace dapper with multi stage builds
• Remove dapper scripts
• Add multiple improvements for ignore files
• fix: remove umask command from the system-agent unit-file
• fix-system-agent-umask
• [1.34] bumped dependencies for 1.34 support (#242)
• Bump K8s patch level to 1.33.5 and Go patch level to 1.24.6
• fix: properly handle traps after unsuccessful SUC job execution
• fix: do not unconditionally reset failure-counts
• fix: remove resetFailureCountOnStartup, always reset failure counts on first start
• un-rc wrangler and lasso
• drop windows 2019 when running PR CI