CASMHMS-6156: Add POST option to get power states to avoid size limitations with GET parameters

[mharding-hpe]

Summary and Scope

See source PR for full explanation of the PCS changes associated with this, and the testing that was done:
Cray-HPE/hms-power-control#41

Adopted app version 2.3.0 for CSM 1.5 (helm chart 2.0.8)
Adopted app version 2.3.0 for CSM 1.6 (helm chart 2.1.5)

Issues and Related PRs

• Resolves CASMHMS-6156
• Required for CASMCMS-8952

Testing

See source PR for full explanation of the PCS changes associated with this, and the testing that was done:
Cray-HPE/hms-power-control#41

For this PR specifically, I also made sure I could upgrade and deploy the new charts on mug.

Pull Request Checklist

• Version number(s) incremented, if applicable
• Copyrights updated
• License file intact
• Target branch correct
• CHANGELOG.md updated
• Testing is appropriate and complete, if applicable

[github-actions]

👋 Hey! Here are the chart(s) we built for you:

Chart	Download Link
cray-power-control-2.1.5-20240327213533+ef32f67.tgz	https://artifactory.algol60.net/artifactory/csm-helm-charts/unstable/cray-hms-power-control/cray-power-control-2.1.5-20240327213533+ef32f67.tgz
cray-power-control-2.0.8-20240327213533+ef32f67.tgz	https://artifactory.algol60.net/artifactory/csm-helm-charts/unstable/cray-hms-power-control/cray-power-control-2.0.8-20240327213533+ef32f67.tgz

Note: this SHA is the merge of 4ff6466 and the PR base branch. Good luck and make rocket go now! 🌮 🚀

Build summary

Build metadata

Key	Value
Artifactory Component	cray-hms-power-control
Stable Build	false
Unstable Build Prefix	-20240327213533+ef32f67

Publish Helm charts results

Key	Value
Status	success
Successfully uploaded charts count	2
Failed uploaded charts count	0

[mharding-hpe]

The Snyk failures all appear to be pre-existing in this branch and unrelated to this PR