Pin metricflow-semantics to latest dev release of DSI - temporarily

metricflow-semantics/extra-hatch-configuration/requirements.txt

@@ -1,5 +1,5 @@
 # dbt Cloud depends on metricflow-semantics (dependency set in dbt-mantle), so DSI must always point to a production version here.
-dbt-semantic-interfaces>=0.5.0, <2.0.0
+dbt-semantic-interfaces==0.6.1.dev0
 graphviz>=0.18.2, <0.21
 python-dateutil>=2.9.0, <2.10.0
 rapidfuzz>=3.0, <4.0