chore: upgrades gradle + junit #323

Job	Run time
Build + unit tests / gradle build test	1m 6s
Integration tests / gradle intTest	32s
Code Analysis (multi) / Trivy Security Scan / Trivy scan (JVM)	1m 46s
Code Analysis (multi) / GitHub CodeQL Analysis / CodeQL Analysis	1m 44s
Create release	0s
Publish artifact (Maven Central)	0s
Publish javadoc (GitHub Pages)	0s
	5m 8s

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