Update dependency org.plumelib:plume-util to v1.9.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.plumelib:plume-util	1.9.2 -> 1.9.3

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Release Notes

plume-lib/plume-util (org.plumelib:plume-util)

### [`v1.9.3`](https://togithub.com/plume-lib/plume-util/blob/HEAD/CHANGELOG.md#193-2024-04-19) - `CollectionsPlume`: - deprecated `Filter`; use `java.util.function.Predicate` instead - new method `replace(Collection c, Collection> replacements)` - new method `isSubsequenceMaybeNonContiguous(Iterable, Iterable)` - `StringsPlume`: - new methods `splitRetainSeparators()` and `splitLinesRetainSeparators()` - `FilesPlume`: - deprecate `fileContents()` in favor of new method `readString()` - deprecate `writeFile()` in favor of new method `writeString()` - new method `readLinesRetainingSeparators()` - new method `writeString(Path, String)`

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Configuration

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