chore(deps): update dependency helm to v3.20.0 #5230

Namespace: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/app-sre-tenant" rel="nofollow">app-sre-tenant
PipelineRun: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/app-sre-tenant/pipelinerun/qontract-reconcile-master-on-pull-request-2d4n8" rel="nofollow">qontract-reconcile-master-on-pull-request-2d4n8

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Status	Duration	Name
🟢 Succeeded	9 seconds	init
🟢 Succeeded	10 seconds	clone-repository
🟢 Succeeded	9 seconds	clone-repository-oci-ta
🟢 Succeeded	1 minute	deploy-ephemeral-namespace
🟢 Succeeded	7 minutes	build-container
🟢 Succeeded	12 seconds	build-image-index
🟢 Succeeded	10 seconds	apply-tags
🟢 Succeeded	1 minute	clair-scan
🟢 Succeeded	1 minute	clamav-scan
🟢 Succeeded	22 seconds	container-structure-test
🟢 Succeeded	16 seconds	deprecated-base-image-check
🟢 Succeeded	1 minute	ecosystem-cert-preflight-checks
🟢 Succeeded	12 seconds	push-dockerfile
🟢 Succeeded	14 seconds	sast-shell-check
🟢 Succeeded	11 seconds	sast-snyk-check
🟢 Succeeded	18 seconds	sast-unicode-check
🟢 Succeeded	1 minute	rpms-signature-scan
🟢 Succeeded	9 seconds	show-sbom
🟢 Succeeded	7 seconds	show-summary