ICU-23092 u_getIntPropertyMaxValue(UCHAR_INDIC_CONJUNCT_BREAK) returns valid max value

[makotokato]

Checklist

• [x] Required: Issue filed: ICU-23092
• [x] Required: The PR title must be prefixed with a JIRA Issue number. Example: "ICU-1234 Fix xyz"
• [x] Required: Each commit message must be prefixed with a JIRA Issue number. Example: "ICU-1234 Fix xyz"
• [ ] Issue accepted (done by Technical Committee after discussion)
• [x] Tests included, if applicable
• [ ] API docs and/or User Guide docs changed or added, if applicable

[jira-pull-request-webhook[bot]]

Notice: the branch changed across the force-push!

• icu4c/source/data/in/uprops.icu is now changed in the branch

View Diff Across Force-Push

~ Your Friendly Jira-GitHub PR Checker Bot