ci: update jsonschema to 0.26.1 for schema validation (#1637)

* ci: update jsonschema to 0.26.1 for schema validation

* make sure to rerun schema validation

scripts/schema/requirements.txt

@@ -1 +1 @@
-jsonschema-rs == 0.18.0
+jsonschema-rs == 0.26.1

scripts/schema/validator.py

@@ -40,7 +40,7 @@ def main():
 
     with open(file, "rb") as f, open(schema) as s:
         try:
-            validator = jsonschema_rs.JSONSchema.from_str(s.read())
+            validator = jsonschema_rs.validator_for(s.read())
         except:
             print("Couldn't create validator.")
             exit()