tests: disable aws_ssm_parameter_store

```
TASK [aws_ssm_parameter_store : Create or update key/value pair in aws parameter store] ***
task path: /home/zuul/.ansible/collections/ansible_collections/community/aws/tests/integration/targets/aws_ssm_parameter_store/tasks/main.yml:18
(...)
2021-07-13 19:51:30.964828 | fedora-34 |
TASK [aws_ssm_parameter_store : Check that parameter was stored correctly] *****
task path: /home/zuul/.ansible/collections/ansible_collections/community/aws/tests/integration/targets/aws_ssm_parameter_store/tasks/main.yml:24
AWS_ssm name lookup term: ['/ansible-test-31771590-host-162-253-43-87/Hello']
AWS_ssm path lookup returning: [None]
fatal: [testhost]: FAILED! => {
    "assertion": "'' == 'World'",
    "changed": false,
    "evaluated_to": false,
    "msg": "Assertion failed"
}
```

See: https://94d9c68ff074d3479f4f-fd89d6f20580dda91da006e562d540fc.ssl.cf5.rackcdn.com/636/067f6f84c20701ccf4bf0654471613af598c6e89/check/ansible-test-cloud-integration-aws-py36_2/ecde211/job-output.txt

tests/integration/targets/aws_ssm_parameter_store/aliases

@@ -1 +1,2 @@
 cloud/aws
+disable