Support uppercase mount attributes

Signed-off-by: Antonio <[email protected]>

Author: D3vil0p3r

podman/domain/containers_create.py

@@ -553,11 +553,12 @@ def to_bytes(size: Union[int, str, None]) -> Union[int, None]:
             args.pop("log_config")
 
         for item in args.pop("mounts", []):
+            normalized_item = {key.lower(): value for key, value in item.items()}
             mount_point = {
-                "destination": item.get("target"),
+                "destination": normalized_item.get("target"),
                 "options": [],
-                "source": item.get("source"),
-                "type": item.get("type"),
+                "source": normalized_item.get("source"),
+                "type": normalized_item.get("type"),
             }
 
             # some names are different for podman-py vs REST API due to compatibility with docker