Bump com.diffplug.spotless:spotless-maven-plugin from 2.43.0 to 3.1.0#13

dependabot[bot] wants to merge 1 commit intomasterBetterGUI-MC/BetterDialogs:masterfrom

dependabot/maven/com.diffplug.spotless-spotless-maven-plugin-3.1.0BetterGUI-MC/BetterDialogs:dependabot/maven/com.diffplug.spotless-spotless-maven-plugin-3.1.0Copy head branch name to clipboard