Update Duckdb mcp server args (#307)

Author: ihiverlet

charts/library-chart/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v2
 name: library-chart
-version: 2.0.3
+version: 2.0.4
 type: library

charts/library-chart/templates/_secret.tpl

@@ -456,6 +456,8 @@ stringData:
         command: uvx
         args:
           - mcp-server-motherduck
+          - "--allow-switch-databases"
+          - "--read-write"
           - "--db-path"
           - ":memory:"
           - "--home-dir"