Makefile: clean golangci-lint cache on `make clean` #17381

Job	Run time
🧹 cloud-cleaner-is-enabled	2s
🔍 Check for missing or unused runner repos	14s
🔍 Check for valid snapshot urls	18s
🗄 DB tests	2m 10s
Gitlab CI trigger helper	9s
⌨ Golang Lint	3m 53s
🎀 kube-linter	16s
📦 Packit config lint	39s
🔍 Check source preparation	1m 7s
🐍 Lint python scripts	26s
📦 RPMlint	49s
🐚 Shellcheck	24s
🛃 Unit tests	4m 20s
	14m 47s

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