Feature #3321 add rps

[JohnHalleyGotway]

Pull Request Testing

This PR modifies an existing use case to trigger Ensemble-Stat to write an RPS output line.

• Describe testing already performed for these changes:
  
  Tested manually on seneca to confirm it produces non-trivial output.

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  
  Review the proposed config use case change and resulting RPS output line.

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [No]
  None needed.

• Do these changes include sufficient testing updates? [Yes]

• Will this PR result in changes to the test suite? [Yes]
  
  If yes, describe the new output and/or changes to the existing output:
  
  Adds 1 new line of output to an existing .stat file.

V13.0.0 WOFS  NA   000000    20200615_180000 20200615_180000 000000   20200615_180000 20200615_180000 APCP_01  kg/m^2     A1       GaugeCorrQPE01H_01 mm        A1      MRMS_QPE FULL    NEAREST     1           >0,>1,>2,>3,>4,>5 NA         NA         NA    RPS       90000  18        0.018252     0.038814      0.089752    0.06919   NA          0.2291     0.93081

• Do these changes introduce new SonarQube findings? [No]
  
  If yes, please describe:

• Please complete this pull request review by [Tues, July 7].
  

Pull Request Checklist

See the METplus Workflow for details.

• Add any new Python packages to the METplus Components Python Requirements table.
• For any new datasets, an entry to the METplus Verification Datasets Guide.
• Review the source issue metadata (required labels, projects, and milestone).
• Complete the PR definition above.
• Ensure the PR title matches the feature or bugfix branch name.
• Define the PR metadata, as permissions allow.
  Select: Reviewer(s) and Development issue
  Select: Milestone as the version that will include these changes
  Select: Coordinated METplus-X.Y Support project for bugfix releases or METplus-Wrappers-X.Y.Z Development project for official releases
• After submitting the PR, select the ⚙️ icon in the Development section of the right hand sidebar. Search for the issue that this PR will close and select it, if it is not already selected.
• After the PR is approved, merge your changes. If permissions do not allow this, request that the reviewer do the merge.
• Close the linked issue and delete your feature or bugfix branch from GitHub.

[coveralls]

Coverage Report for CI Build 28463714518

Coverage decreased (-0.01%) to 92.054%

Details

• Coverage decreased (-0.01%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	10471
Covered Lines:	9639
Line Coverage:	92.05%
Coverage Strength:	0.92 hits per line

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💛 - Coveralls