Bump approvaltests from 9.3.0 to 13.1.1#103

dependabot[bot] wants to merge 1 commit intomasterLearnWithLlew/DuplicationKata.java:masterfrom

dependabot/gradle/com.approvaltests-approvaltests-13.1.1LearnWithLlew/DuplicationKata.java:dependabot/gradle/com.approvaltests-approvaltests-13.1.1Copy head branch name to clipboard