Bump org.junit.jupiter:junit-jupiter-api from 6.1.2 to 6.1.3 - #18

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/upload-artifact@v4, gradle/actions/setup-gradle@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

[BoxingComparator] Comparator.comparing unnecessarily boxes numerical primitives

[ReferenceEquality] Comparison using reference equality instead of value equality

[EqualsGetClass] Prefer instanceof to getClass when implementing Object#equals. Note that this may be a behaviour change.

[MissingSummary] A summary fragment is required; consider using the value of the @return block as a summary fragment instead.

[MissingSummary] A summary fragment is required; consider using the value of the @return block as a summary fragment instead.

[StringCaseLocaleUsage] Specify a `Locale` when calling `String#to{Lower,Upper}Case`. (Note: there are multiple suggested fixes; the third may be most appropriate if you're dealing with ASCII Strings.)

[MissingSummary] A summary line is required on public/protected Javadocs.

[StringCaseLocaleUsage] Specify a `Locale` when calling `String#to{Lower,Upper}Case`. (Note: there are multiple suggested fixes; the third may be most appropriate if you're dealing with ASCII Strings.)

[MissingOverride] toString overrides method in Enum; expected @OverRide