[ VM / Gardening ] Mark disassemble_determinism_test as slow on Windows

Test is consistently timing out and likely just needs a little extra
time to complete on slower bots.

[email protected]

Change-Id: Ib4bc67bf699947164494674437ef63005cbbbd91
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108440
Reviewed-by: Ben Konyi <[email protected]>

Author: bkonyi

runtime/tests/vm/vm.status

@@ -74,6 +74,7 @@ cc/GenKernelKernelLoadKernel: Skip # Issue 34542.
 cc/GenKernelKernelMaxRSS: Skip # Issue 34393.
 cc/GenKernelKernelReadAllBytecode: Skip # Issue 34393.
 dart/appjit_bytecode_simple_test: Skip # Issue 34393.
+dart/disassemble_determinism_test: Slow # Times out on slower bots.
 
 [ !$strong ]
 dart/callee_side_type_checks_test: SkipByDesign