Following up on CNTRLPLANE-1650, migrate the gomaxprocs-webhook Tekton pipelines to delegate to the common pipeline.

Changes

Migrate gomaxprocs-webhook PipelineRuns to use pipelineRef:

• .tekton/hypershift-gomaxprocs-webhook-push.yaml
• .tekton/hypershift-gomaxprocs-webhook-pull-request.yaml

Benefits

• Consistency with other HyperShift components
• Single source of truth for Tekton task versions
• Reduces code duplication by ~1,186 lines
• Easier to update pipeline behavior
• Hermetic builds and standardized security checks

Implementation

Both PipelineRuns now:

• Use pipelineRef: name: hypershift-common-operator-build
• Reference pipeline via annotation: pipelinesascode.tekton.dev/pipeline: ".tekton/pipelines/common-operator-build.yaml"
• Retain component-specific parameters (dockerfile, path-context, build-platforms)
• Use common pipeline defaults (hermetic builds, security checks disabled for speed)

Files Changed

• .tekton/hypershift-gomaxprocs-webhook-push.yaml (596 lines removed)
• .tekton/hypershift-gomaxprocs-webhook-pull-request.yaml (596 lines removed)