Add resource requests to default podspec

Extend the timeout, assuming that we want to let the kubernetes scheduler
start containers when it wants to start them. This allows us to make
resource requests knowing that when some jobs queue up waiting for
resources, they will not get reaped in as short of a
timeout.

awx/main/utils/execution_environments.py

@@ -38,6 +38,7 @@ def get_default_pod_spec():
                     "image": ee.image,
                     "name": 'worker',
                     "args": ['ansible-runner', 'worker', '--private-data-dir=/runner'],
+                    "resources": {"requests": {"cpu": "250m", "memory": "100Mi"}},
                 }
             ],
         },