Bump KyleMayes/install-llvm-action from 2.0.3 to 2.0.4 #232

Job	Run time
linux (libertem_dectris)	2m 49s
macos (libertem_dectris, x86_64)	1m 51s
linux (libertem_asi_tpx3)	1m 59s
macos-test (libertem_dectris, macos-12)	2m 4s
macos (libertem_dectris, aarch64)	1m 45s
linux-test (libertem_dectris)	1m 31s
macos-test (libertem_dectris, macos-14)	1m 22s
macos (libertem_asi_tpx3, x86_64)	1m 15s
linux-test (libertem_asi_tpx3)	49s
macos-test (libertem_asi_tpx3, macos-12)	2m 13s
macos (libertem_asi_tpx3, aarch64)	1m 15s
windows (libertem_dectris)	6m 47s
linux-test (libertem_asi_mpx3)	1m 3s
macos-test (libertem_asi_tpx3, macos-14)	48s
windows (libertem_asi_tpx3)	5m 2s
linux-test (ipc_test)	41s
macos-test (libertem_asi_mpx3, macos-12)	1m 49s
windows-test (libertem_dectris)	5m 6s
macos-test (libertem_asi_mpx3, macos-14)	1m 12s
windows-test (libertem_asi_tpx3)	4m 20s
windows-test (libertem_asi_mpx3)	3m 30s
windows-test (ipc_test)	3m 50s
Release	0s
	53m 1s

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