Update dependency kubernetes-sigs/gateway-api to v1.2.0 #6

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">jkiely-tenant
PipelineRun: <a href="https://console.dev.redhat.com/application-pipeline/ns/jkiely-tenant/pipelinerun/rhcl-operator-on-pull-request-72qzc" rel="nofollow">rhcl-operator-on-pull-request-72qzc

Success

Konflux Staging/rhcl-operator-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	6 seconds	init
✅ Succeeded	19 seconds	clone-repository
✅ Succeeded	27 seconds	prefetch-dependencies
✅ Succeeded	3 minutes	build-container
✅ Succeeded	6 seconds	build-image-index
✅ Succeeded	1 minute	clamav-scan
✅ Succeeded	7 seconds	apply-tags
✅ Succeeded	1 minute	clair-scan
✅ Succeeded	9 seconds	push-dockerfile
✅ Succeeded	17 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	29 seconds	deprecated-base-image-check
✅ Succeeded	26 seconds	sast-snyk-check
✅ Succeeded	10 seconds	show-sbom