fix: Removed indent from discovery cache json files (#2099)

Changed the discovery artifact JSON indentation from 2 to 0, in
order to reduce the size by several megabytes.

Refs: #1967

Co-authored-by: Anthonios Partheniou <[email protected]>

Author: jorenham

describe.py

@@ -432,7 +432,7 @@ def document_api(
                 # Reset position to the beginning
                 f.seek(0)
                 # Write the changes to disk
-                json.dump(discovery, f, indent=2, sort_keys=True)
+                json.dump(discovery, f, indent=0, sort_keys=True)
                 # Truncate anything left as it's not needed
                 f.truncate()