ci: skip flaky test in abort signal test suite (#4470)

Co-authored-by: Neal Beeken <[email protected]>

Author: baileympearson

test/integration/node-specific/abort_signal.test.ts

@@ -942,7 +942,8 @@ describe('AbortSignal support', () => {
       const start = performance.now();
       const result = await collection.findOne({}, { signal }).catch(error => error);
       const end = performance.now();
-      expect(end - start).to.be.lessThan(10); // shouldn't wait for the blocked connection
+      // TODO(NODE-6833): This duration was bumped from 10 to 40 to reduce flakiness, if this fails again investigate it.
+      expect(end - start).to.be.lessThan(40); // shouldn't wait for the blocked connection
 
       expect(result).to.be.instanceOf(DOMException);
     });