fix(deps): update junit-framework monorepo to v6.1.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.junit:junit-bom (source)	6.1.2 → 6.1.3
org.junit.jupiter:junit-jupiter-params (source)	6.1.2 → 6.1.3
org.junit.jupiter:junit-jupiter (source)	6.1.2 → 6.1.3

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Benchmark results

Benchmark run finished with conclusion skipped for aa762bc799d3d2883374ac900fdc5d894b531f3d.

• Workflow run: https://github.com/prometheus/client_java/actions/runs/31181832511
• Artifact: pr-benchmark-results-pr-2374-aa762bc799d3d2883374ac900fdc5d894b531f3d

Benchmark summary artifact was not found; see the workflow run for details.