feat: provide git and pipeline info to sub pipelines

[nilsgstrabo]

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[Copilot]

Pull request overview

This PR adds a structured “radix” Tekton object parameter to sub-pipelines so each sub-pipeline (and its tasks) receives consistent git + pipeline metadata (pipeline type, environment, clone URL, git ref/type, commit, tags).

Changes:

• Introduces model.SubPipelineParams and stores per-environment values on PipelineInfo.
• Injects a radix object ParamSpec into generated sub-pipeline Pipelines/Tasks and wires PipelineTask params to reference $(params.radix.<prop>).
• Ensures RunPipelinesStep includes the radix object param on created PipelineRuns; adds utilities + tests for object-param generation.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
pipeline-runner/steps/runpipeline/step.go	Adds error-returning build flow and appends radix object param to PipelineRun params.
pipeline-runner/steps/runpipeline/step_test.go	Updates tests to assert presence/content of the radix param and revised param behavior.
pipeline-runner/steps/preparepipeline/step.go	Builds per-env sub-pipeline params and injects radix param spec + task param references into generated Tekton resources.
pipeline-runner/steps/preparepipeline/step_test.go	Adds assertions for radix ParamSpec/Param wiring and validates EnvironmentSubPipelineParams.
pipeline-runner/model/pipelineInfo.go	Adds EnvironmentSubPipelineParams and SubPipelineParams helpers to produce Tekton param/spec/reference.
pipeline-runner/internal/subpipeline/params.go	New reflection-based helpers to generate Tekton object ParamSpec/Param/reference from tagged structs.
pipeline-runner/internal/subpipeline/params_test.go	Unit tests for object param/spec/reference generation and error cases.
.vscode/launch.json	Updates local debug args (commit id; removes reserved DNS aliases args).

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