Only enable Java dependency minimisation when caching is enabled #4606

Job	Run time
Resolve environment (windows-latest, default)	3m 8s
Resolve environment (ubuntu-latest, nightly-latest)	39s
Resolve environment (ubuntu-latest, linked)	32s
Resolve environment (macos-latest, linked)	1m 40s
Resolve environment (windows-latest, linked)	1m 3s
Resolve environment (windows-latest, nightly-latest)	2m 53s
Resolve environment (macos-latest, nightly-latest)	2m 11s
Resolve environment (ubuntu-latest, default)	35s
Resolve environment (macos-latest, default)	2m 10s
	14m 51s

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