Bump junit from 4.12 to 4.13.1 in /Courses/12. Test Driven Development/Exercise/Skeleton/Chainblock#2

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dependabot/maven/Courses/12.-Test-Driven-Development/Exercise/Skeleton/Chainblock/junit-junit-4.13.1iSvirchev/Java-OOP:dependabot/maven/Courses/12.-Test-Driven-Development/Exercise/Skeleton/Chainblock/junit-junit-4.13.1Copy head branch name to clipboard