Adjust flags for building with clang20 on Ubuntu 24.04

[jmarrec]

Pull request overview

Small PR, easy enough. Had to build E+ with clang20 on Ubuntu 24.04, so adjust flags

Description of the purpose of this PR

Pull Request Author

• Title of PR should be user-synopsis style (clearly understandable in a standalone changelog context)
• Label the PR with at least one of: Defect, Refactoring, NewFeature, Performance, and/or DoNoPublish
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  • Update ..\scripts\Epl-run.bat
  • Update ..\scripts\RunEPlus.bat
  • Update ..\src\EPLaunch\ MainModule.bas, epl-ui.frm, and epl.vbp (VersionComments)
  • Update ...github\workflows\energyplus.py

Reviewer

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• Run Unit Test(s) locally
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