Bug 1798441

Description of problem:
Running WSU failed in TASK [Get release], manually run curl command get error:API rate limit exceeded, according to doc https://developer.github.com/v3/#rate-limiting, there's a limitation of 5000 requests per hour.

# ansible-playbook -i hosts ~/go/src/windows-machine-config-operator/tools/ansible/tasks/wsu/main.yaml -v
...
TASK [Get release] *******************************************************************************
fatal: [3.15.207.69 -> localhost]: FAILED! => {"changed": true, "cmd": "RELEASES=\"$(curl -s https://api.github.com/repos/openshift/windows-machine-config-operator/releases)\"\nTAGNAME=\"$(echo $RELEASES | jq '.[]' | jq '.tag_name' | grep -i 4.3 | sort -r | awk 'NR==1')\"\necho $RELEASES | jq '.[] | select (.tag_name == '$TAGNAME')'\n", "delta": "0:00:00.225610", "end": "2020-02-05 05:13:04.413042", "msg": "non-zero return code", "rc": 3, "start": "2020-02-05 05:13:04.187432", "stderr": "jq: error (at <stdin>:1): Cannot index string with string \"tag_name\"\njq: error (at <stdin>:2): Cannot index string with string \"tag_name\"\njq: error: syntax error, unexpected ')' (Unix shell quoting issues?) at <top-level>, line 1:\n.[] | select (.tag_name == )                           \njq: 1 compile error", "stderr_lines": ["jq: error (at <stdin>:1): Cannot index string with string \"tag_name\"", "jq: error (at <stdin>:2): Cannot index string with string \"tag_name\"", "jq: error: syntax error, unexpected ')' (Unix shell quoting issues?) at <top-level>, line 1:", ".[] | select (.tag_name == )                           ", "jq: 1 compile error"], "stdout": "", "stdout_lines": []}

PLAY RECAP *******************************************************************************
3.15.207.69                : ok=6    changed=5    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0   
localhost                  : ok=10   changed=9    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0  


# curl -s https://api.github.com/repos/openshift/windows-machine-config-operator/releases
{
  "message": "API rate limit exceeded for 66.187.233.202. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
  "documentation_url": "https://developer.github.com/v3/#rate-limiting"
}

Version-Release number of selected component (if applicable):
# oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.3.0-0.nightly-2020-02-04-131018   True        False         9h      Cluster version is 4.3.0-0.nightly-2020-02-04-131018
windows-machine-config-operator # git show
commit d0f8ddb70946f7707d65564fb87245f309d7ada2

How reproducible:
Over 5000 requests to github per hour

Steps to Reproduce:
1. Install OCP cluster with ovn-kubernetes
2. Create windows instance with wni
3. Run WSU

Actual results:
WSU run failed

Expected results:
WSU run succeed

Additional info: