chore(deps): update plugin com.diffplug.spotless to v6.24.0 #975

Job	Run time
prepare-release / 🛫 Prepare release	13s
🔨 Build and test backend service / gateway	1m 34s
🔨 Build and push Docker image / gateway	18s
github-release / 🎉 Release	0s
	2m 5s

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