fixup leak:^_PyMem_RawMalloc$

Author: jiridanek

.github/workflows/build.yaml

@@ -187,6 +187,10 @@ jobs:
       LD_LIBRARY_PATH: ${{github.workspace}}/install/lib
       QPID_SYSTEM_TEST_TIMEOUT: 300
       QPID_SYSTEM_TEST_SKIP_FALLBACK_SWITCHOVER_TEST: True
+      # the PyMalloc mechanism is incompatible with Valgrind, different mechanism must be set here
+      #  https://docs.python.org/3/using/cmdline.html#envvar-PYTHONMALLOC
+      #  https://pythonextensionpatterns.readthedocs.io/en/latest/debugging/debug_python.html#debug-version-of-python-memory-alloc-label
+      PYTHONMALLOC: malloc_debug
       PYTHONTRACEMALLOC: 5
     steps:
 

tests/lsan.supp

@@ -54,6 +54,7 @@ leak:^PyThread_allocate_lock$
 leak:^PyMem_Malloc$
 leak:^PyMem_Calloc$
 leak:^PyMem_Realloc$
+leak:^_PyMem_RawMalloc$
 leak:^_PyMem_RawRealloc$
 leak:^_PyObject_GC_Resize$
 # Python uses these alloc functions if you define PYTHONDEVMODE=1