Bump OPA and built-in metadata (#155)

Signed-off-by: Anders Eknert <anders@styra.com>

README.md

@@ -1,7 +1,7 @@
 # Regal
 
 [![Build Status](https://github.com/styrainc/regal/workflows/Build/badge.svg?branch=main)](https://github.com/styrainc/regal/actions)
-![OPA v0.53.0](https://openpolicyagent.org/badge/v0.53.0)
+![OPA v0.53.1](https://openpolicyagent.org/badge/v0.53.1)
 
 Regal is a linter for Rego, with the goal of making your Rego magnificent!
 

bundle/regal/opa/builtins/data.json

@@ -411,6 +411,25 @@
       "type": "number"
     }
   },
+  "crypto.hmac.equal": {
+    "args": [
+      {
+        "description": "mac1 to compare",
+        "name": "mac1",
+        "type": "string"
+      },
+      {
+        "description": "mac2 to compare",
+        "name": "mac2",
+        "type": "string"
+      }
+    ],
+    "result": {
+      "description": "`true` if the MACs are equals, `false` otherwise",
+      "name": "result",
+      "type": "boolean"
+    }
+  },
   "crypto.hmac.md5": {
     "args": [
       {
@@ -568,6 +587,25 @@
       "type": "array[object[string: any]]"
     }
   },
+  "crypto.x509.parse_keypair": {
+    "args": [
+      {
+        "description": "string containing PEM or base64 encoded DER certificates",
+        "name": "cert",
+        "type": "string"
+      },
+      {
+        "description": "string containing PEM or base64 encoded DER keys",
+        "name": "pem",
+        "type": "string"
+      }
+    ],
+    "result": {
+      "description": "if key pair is valid, returns the tls.certificate(https://pkg.go.dev/crypto/tls#Certificate) as an object. If the key pair is invalid, nil and an error are returned.",
+      "name": "output",
+      "type": "object[string: any]"
+    }
+  },
   "crypto.x509.parse_rsa_private_key": {
     "args": [
       {