YQL-19940: Increase MSan memory limit (#18494)

Author: Artemonchik

ydb/core/kqp/ut/join/ya.make

@@ -10,6 +10,14 @@ ELSE()
     SIZE(MEDIUM)
 ENDIF()
 
+IF(SANITIZER_TYPE == "memory")
+    # Increase MSan memory limit due to YQL-19940.
+    # Just double default memory requirements since we run MSan without origin tracking by default.
+    REQUIREMENTS(
+        ram:16
+    )
+ENDIF()
+
 SRCS(
     kqp_flip_join_ut.cpp
     kqp_index_lookup_join_ut.cpp