Bump approvaltests from 9.3.0 to 18.0.0#161

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

dependabot/gradle/com.approvaltests-approvaltests-18.0.0LearnWithLlew/DuplicationKata.java:dependabot/gradle/com.approvaltests-approvaltests-18.0.0Copy head branch name to clipboard