fix: For SQL registry, increase max data_source_name length to 255 (feast-dev#3630)

* sql.py data_sources.data_source_name String(255)

Extend the limit of the data_source_name field from 50 to 255.

Signed-off-by: Ross Donnachie <code@radonn.co.za>

Author: radonnachie

sdk/python/feast/infra/registry/sql.py

@@ -81,7 +81,7 @@
 data_sources = Table(
     "data_sources",
     metadata,
-    Column("data_source_name", String(50), primary_key=True),
+    Column("data_source_name", String(255), primary_key=True),
     Column("project_id", String(50), primary_key=True),
     Column("last_updated_timestamp", BigInteger, nullable=False),
     Column("data_source_proto", LargeBinary, nullable=False),