Merge branch 'chore/shared-ci-templates' into 'main'

chore: migrate to shared ci-templates + depguard

Merge branch 'feature/headless-mode' into 'main'

fix: redirect worker file log messages to stderr

Merge branch 'feature/headless-mode' into 'main'

feat: add --headless flag for batch/automation output (ET-287)

Merge branch 'fix-govulncheck-path' into 'main'

Fix govulncheck PATH in CI security job

Merge branch 'add-nightly-security-scan' into 'main'

Add govulncheck security scanning with nightly schedule

Merge branch 'add-golangci-lint' into 'main'

Add golangci-lint to CI pipeline

Merge branch 'add-gitlab-ci' into 'main'

Retrigger CI — TestStop race condition may be intermittent

CI: Use golang:1.26 image for go 1.25+ module requirement