Add OPA 0.66.0 and remove 0.57.0 (#739)

* opa: remove version 0.57.0 and add version 0.66.0

* fix indentation

Author: labrenbe

opa/versions.py

@@ -1,12 +1,12 @@
 versions = [
     {
-        "product": "0.57.0",
+        "product": "0.61.0",
         "vector": "0.39.0",
         "bundle_builder_version": "1.1.2",
         "stackable-base": "1.0.0",
     },
     {
-        "product": "0.61.0",
+        "product": "0.66.0",
         "vector": "0.39.0",
         "bundle_builder_version": "1.1.2",
         "stackable-base": "1.0.0",