Update OPA and Regal to their latest versions

.github/actions/build-policies/action.yml

@@ -7,7 +7,7 @@ runs:
     - name: Install Open Policy Agent
       uses: open-policy-agent/setup-opa@v2.2.0
       with:
-        version: 0.70.0
+        version: 1.1.0
 
     - name: Build the policies
       run: make

policies/Makefile

@@ -1,8 +1,8 @@
 # Set to 1 to run OPA through Docker
 DOCKER := 0
 PODMAN := 0
-OPA_DOCKER_IMAGE := docker.io/openpolicyagent/opa:0.70.0-debug
-REGAL_DOCKER_IMAGE := ghcr.io/styrainc/regal:0.29.2
+OPA_DOCKER_IMAGE := docker.io/openpolicyagent/opa:1.1.0-debug
+REGAL_DOCKER_IMAGE := ghcr.io/styrainc/regal:0.31.0
 
 INPUTS := \
 	common/common.rego \

policies/client_registration/client_registration.rego

@@ -18,8 +18,7 @@ parse_uri(url) := obj if {
 	obj := {"scheme": matches[1], "authority": matches[2], "host": matches[3], "port": matches[4], "path": matches[5]}
 }
 
-secure_url(x) if {
-	x
+secure_url(_) if {
 	data.client_registration.allow_insecure_uris
 }
 
@@ -37,16 +36,12 @@ secure_url(x) if {
 	url.port == ""
 }
 
-host_matches_client_uri(x) if {
-	x
-
+host_matches_client_uri(_) if {
 	# Do not check we allow host mismatch
 	data.client_registration.allow_host_mismatch
 }
 
-host_matches_client_uri(x) if {
-	x
-
+host_matches_client_uri(_) if {
 	# Do not check if the client_uri is missing and we allow that
 	data.client_registration.allow_missing_client_uri
 	not data.client_metadata.client_uri