chore(deps): update dependency argoproj/argo-cd to v3

Author: renovate[bot]

lab/scripts/installer.sh

@@ -20,7 +20,7 @@ yq_version='4.45.4'
 flux_version='2.6.3'
 
 # renovate: depName=argoproj/argo-cd
-argocd_version='2.14.15'
+argocd_version='3.0.6'
 
 # renovate: depName=hashicorp/terraform
 terraform_version='1.12.2'