feat: add direct OPA evaluator with shared base infrastructure #3276

Namespace: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/rhtap-contract-tenant" rel="nofollow">rhtap-contract-tenant
PipelineRun: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/rhtap-contract-tenant/pipelinerun/cli-main-on-pull-request-rcxf4" rel="nofollow">cli-main-on-pull-request-rcxf4

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Status	Duration	Name
🟢 Succeeded	5 seconds	init
🟢 Succeeded	13 seconds	clone-repository
🟢 Succeeded	2 minutes	prefetch-dependencies
🟢 Succeeded	6 minutes	build-container
🟢 Succeeded	17 seconds	build-image-index
🟢 Succeeded	4 seconds	apply-tags
🟢 Succeeded	16 seconds	build-tekton-bundle
🟢 Succeeded	28 seconds	clair-scan
🟢 Succeeded	36 seconds	clamav-scan
🟢 Succeeded	13 seconds	deprecated-base-image-check
🟢 Succeeded	33 seconds	ecosystem-cert-preflight-checks
🟢 Succeeded	7 seconds	push-dockerfile
🟢 Succeeded	32 seconds	sast-snyk-check
🟢 Succeeded	23 seconds	sast-unicode-check
🟢 Succeeded	1 minute	build-source-image
🟢 Succeeded	10 seconds	rpms-signature-scan
🟢 Succeeded	21 seconds	sast-shell-check