executors/GO: allow eventfd2; refs golang/go#65443

Signed-off-by: Witold Konior <witold.konior@qradium.com>

Author: jozuenoon

dmoj/executors/GO.py

@@ -21,7 +21,7 @@ class Executor(CompiledExecutor):
     data_grace = 98304  # Go uses data segment for heap arena map
     address_grace = 786432
     command = 'go'
-    syscalls = ['mincore', 'pselect6', 'mlock', 'setrlimit']
+    syscalls = ['mincore', 'pselect6', 'mlock', 'setrlimit', 'eventfd2']
     compiler_syscalls = ['copy_file_range', 'setrlimit', 'pidfd_open', 'pidfd_send_signal']
     test_name = 'echo'
     test_program = """\