Avoidance of random CI failures due to failing Gradle download #1528

Job	Run time
check-diff / check	25s
cli / test-cli (ubuntu-latest)	3m 51s
building / build-toolchain (ubuntu-latest)	4m 1s
cli / test-cli (macos-latest)	4m 0s
lsp / test-lsp (ubuntu-latest)	3m 50s
building / build-toolchain (macos-latest)	4m 11s
cli / test-cli (windows-latest)	3m 52s
lsp / test-lsp (macos-latest)	3m 58s
building / build-toolchain (windows-latest)	4m 4s
lsp / test-lsp (windows-latest)	3m 55s
building / epoch / build-epoch	3m 50s
	39m 57s

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