fix(helm): restore TEI float16 dtype (#76)

Author: BhagyaAmarasinghe

charts/hub/values.yaml

@@ -155,7 +155,10 @@ embeddings:
   # When empty, the chart renders TEI args from model, servedModelName, port,
   # revision, and persistence.mountPath. Set this to fully override args.
   args: []
-  extraArgs: []
+  # Keeps the default GTE CPU runtime within the default memory budget.
+  extraArgs:
+    - --dtype
+    - float16
   env: {}
 
   port: 8080