fix(ingest): pin lookml liquid dep

Author: hsheth2

metadata-ingestion/setup.py

@@ -185,7 +185,11 @@
     "lkml>=1.3.4",
     *sqlglot_lib,
     "GitPython>2",
-    "python-liquid",
+    # python-liquid 2 includes a bunch of breaking changes.
+    # See https://jg-rp.github.io/liquid/migration/
+    # Eventually we should fully upgrade to v2, but that will require
+    # us to drop Python 3.8 support first.
+    "python-liquid<2",
     "deepmerge>=1.1.1",
 }
 
@@ -712,7 +716,7 @@
             "mariadb",
             "redash",
             "vertica",
-            "vertexai"
+            "vertexai",
         ]
         if plugin
         for dependency in plugins[plugin]