[Pal/regression] Increase 'Process' test timeout a bit

On SGX spawning processes got slower since we measure/zero all memory.
So the timeout is slightly missed.

Pal/regression/03_Process.py

@@ -3,7 +3,7 @@ from regression import Regression
 
 loader = os.environ['PAL_LOADER']
 
-regression = Regression(loader, "Process")
+regression = Regression(loader, "Process", timeout=8000)
 
 def check_times(target, lines, times):
     count = 0