add timeout parameter and increase default timeout for nso modules (#37391)

NSO operations can take much longer than 10 seconds as they operate on
real network equipment, set default timeout to 5 minutes and allow for
user override.

test/units/modules/network/nso/nso_module.py

@@ -60,7 +60,7 @@ class MockResponse(object):
         return self.body
 
 
-def mock_call(calls, url, data=None, headers=None, method=None):
+def mock_call(calls, url, timeout, data=None, headers=None, method=None):
     result = calls[0]
     del calls[0]