fix: correct missing escaping

Signed-off-by: Chris Butler <chris.butler@redhat.com>

Author: butler54

charts/coco-supported/sandbox/initdata.toml.tpl

@@ -25,6 +25,7 @@ url = 'https://kbs-trustee-operator-system.{{ .Values.global.hubClusterDomain }}
 kbs_cert = """ 
 acmmagickey_trustee_cert
 """
+'''
 
 "policy.rego" = '''
 package agent_policy