Update default EC policy config in env template

See also conforma/config#173
which should be merged prior to this.

Ref: https://issues.redhat.com/browse/EC-1135

Author: simonbaird

rhtap/env.template.sh

@@ -39,7 +39,7 @@ export SOURCE_BUILD_RESULT_FILE=${SOURCE_BUILD_RESULT_FILE-""}
 
 export TARGET_BRANCH=${TARGET_BRANCH-""}
 # enterprise contract
-export POLICY_CONFIGURATION=${POLICY_CONFIGURATION-"github.com/enterprise-contract/config//rhtap-${CI_TYPE}"}
+export POLICY_CONFIGURATION=${POLICY_CONFIGURATION-"github.com/enterprise-contract/config//rhtap-v0.6"}
 #internal, assumes jenkins is local openshift
 export REKOR_HOST=${REKOR_HOST-http://rekor-server.rhtap-tas.svc}
 export IGNORE_REKOR=${IGNORE_REKOR-false}