Update detect-secrets scanner and false-positives

[mbroz2]

This PR is to update how we scan using detect-secrets and to address the resulting false-positives.

• I have considered the risk of behavior change or other zero migration impact (https://github.com/OpenLiberty/open-liberty/wiki/Behavior-Changes).
• If this PR fixes an Issue, the description includes "Fixes #FILLMEIN" or "Resolves #FILLMEIN" (verify release bug label if applicable: https://github.com/OpenLiberty/open-liberty/wiki/Open-Liberty-Conventions).
• If this PR resolves an external Known Issue (including APARS), the description includes "Fixes #FILLMEIN" or "Resolves #FILLMEIN".

[mbroz2]

The remaining 328 items will be worked through by the security team.

[mbroz2]

#build

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[mbroz2]

!build

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[mbroz2]

#libby

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Code analysis and actions

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The build mbroz2-29759-20241004-1555
https://wasrtc.hursley.ibm.com:9443/jazz/resource/itemOid/com.ibm.team.build.BuildResult/_3lNNgIJfEe-TieZHY4j0Qw
completed successfully!

[mbroz2]

Green build (though the code changes should have zero impact on anything that currently occurs as part of the build)