fix: run validation pipelines using latest `clas12Tags` semver tag (#… #173

	name: Validation

	on:
	pull_request:
	push:
	branches: [ development ]
	tags: [ '*' ]
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:

	get_gemc_tag:
	runs-on: ubuntu-latest
	name: Get highest GEMC tag
	outputs:
	tag: ${{ steps.tag.outputs.tag }}
	steps:
	- name: checkout clas12-validation
	uses: actions/checkout@v4
	with:
	repository: JeffersonLab/clas12-validation
	ref: main
	path: clas12-validation
	- name: checkout clas12Tags
	uses: actions/checkout@v4
	with:
	repository: gemc/clas12Tags
	ref: main
	clean: false
	fetch-tags: true
	fetch-depth: 0
	path: clas12Tags
	- name: get highest tag
	id: tag
	working-directory: clas12Tags
	run: \|
	tag=$(../clas12-validation/bin/get_highest_tag.rb)
	echo "Highest \`clas12Tags\` (GEMC) tag: \`$tag\`" >> $GITHUB_STEP_SUMMARY
	echo '- using this version for `clas12-validation` workflow run' >> $GITHUB_STEP_SUMMARY
	echo tag=$tag >> $GITHUB_OUTPUT

	validation:
	needs: [ get_gemc_tag ]
	uses: JeffersonLab/clas12-validation/.github/workflows/ci.yml@main
	with:
	git_upstream: >-
	{
	"clas12Tags": { "fork": "gemc/clas12Tags", "branch": "${{ needs.get_gemc_tag.outputs.tag }}" }
	}

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