Duplicate Build, Test, and Run on Push and PR

[ArielSAdamsNASA]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I reviewed the cFS README.md file to see if the feature is in the major future work.
• I performed a cursory search to see if the feature request is relevant, not redundant, nor in conflict with other tickets.

Is your feature request related to a problem? Please describe.
The Build, Test, and Run workflows do not correctly use the check for duplicates action. The workflows run on both push and pull request. The workflows should skip when triggered by push if it is also triggered by a pull request at the same time.

Describe the solution you'd like
Add if: ${{ needs.checks-for-duplicates.outputs.should_skip != 'true' }}

Describe alternatives you've considered
Keep as is.

Requester Info
Ariel Adams, ASRC Federal