Fix misaligned stores in buffer (#1063)

* Fix misaligned read/write to buffer

- causes undefined behavior

* Update run-ci.py

- fix spurious CDash submission failure warning

* Improve run-ci.py support for UBSan

* Relax rocprofv3 summary stats count expectation

* Update CHANGELOG

tests/rocprofv3/summary/validate.py

@@ -185,7 +185,7 @@ def test_summary_data(json_data):
                     )
                     assert oitr.value.count == 2
         elif itr.domain == "HIP_API":
-            assert itr.stats.count == 2135
+            assert itr.stats.count >= 2130 and itr.stats.count <= 2140
         elif itr.domain == "MEMORY_COPY":
             assert itr.stats.count == 12
         elif itr.domain == "MARKER_API":