Avoidance of random CI failures due to failing Gradle download #1529

Job	Run time
check-diff / check	36s
lsp / test-lsp (ubuntu-latest)	10m 48s
lsp / test-lsp (macos-latest)	16m 14s
building / build-toolchain (ubuntu-latest)	6m 49s
cli / test-cli (ubuntu-latest)	4m 0s
building / build-toolchain (macos-latest)	8m 39s
lsp / test-lsp (windows-latest)	21m 46s
cli / test-cli (macos-latest)	6m 8s
building / build-toolchain (windows-latest)	11m 19s
cli / test-cli (windows-latest)	6m 54s
building / epoch / build-epoch	6m 53s
	1h 40m 6s

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