test(integ-test): include CalcitePPLDashboardPatternsIT in CalciteNoPushdownIT

Per CLAUDE.md guidance, new Calcite IT classes should be added to the
no-pushdown suite. Verified locally that the dashboard query also passes
with pushdown disabled (Dashboard 1/1, Patterns 10/15 — same baseline).

Signed-off-by: Kai Huang <ahkcs@amazon.com>

Author: ahkcs

integ-test/src/test/java/org/opensearch/sql/calcite/CalciteNoPushdownIT.java

@@ -68,6 +68,7 @@
   CalcitePPLCastFunctionIT.class,
   CalcitePPLConditionBuiltinFunctionIT.class,
   CalcitePPLCryptographicFunctionIT.class,
+  CalcitePPLDashboardPatternsIT.class,
   CalcitePPLDedupIT.class,
   CalcitePPLEventstatsIT.class,
   CalciteStreamstatsCommandIT.class,