Don't run sampling-heap-profiler-flags with stress-incremental-marking

This test observes GC behavior and needs the garbage collector to work
in a somewhat predictable way.

Bug: v8:13286
Change-Id: I24e6a4f33a644b5f1845cd34558da03fc196f7e5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3898721
Commit-Queue: Seth Brenith <seth.brenith@microsoft.com>
Reviewed-by: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83218}

test/inspector/heap-profiler/sampling-heap-profiler-flags.js

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 // Flags: --sampling-heap-profiler-suppress-randomness
+// Flags: --no-stress-incremental-marking
 
 (async function() {
   let {contextGroup, Protocol} = InspectorTest.start('Checks sampling heap profiler methods.');