Bump KyleMayes/install-llvm-action from 2.0.6 to 2.0.8 #330

Job	Run time
linux (libertem_asi_tpx3)	1m 25s
windows (libertem_dectris)	4m 46s
linux (libertem_qd_mpx)	1m 58s
linux (libertem_dectris)	1m 56s
macos (libertem_asi_tpx3, x86_64)	1m 34s
windows (libertem_asi_tpx3)	3m 16s
macos (libertem_qd_mpx, x86_64)	1m 7s
macos (libertem_asi_tpx3, aarch64)	58s
macos (libertem_dectris, aarch64)	2m 2s
macos (libertem_qd_mpx, aarch64)	1m 6s
windows (libertem_qd_mpx)	3m 57s
windows-test (libertem_asi_mpx3)	2m 6s
macos-test (libertem_asi_mpx3, macos-15)	1m 7s
macos (libertem_dectris, x86_64)	1m 46s
windows-test (ipc_test)	1m 41s
windows-test (libertem_asi_tpx3)	2m 24s
macos-test (libertem_asi_mpx3, macos-14)	1m 8s
windows-test (common)	1m 58s
windows-test (libertem_qd_mpx)	2m 12s
macos-test (libertem_qd_mpx, macos-15)	1m 22s
linux-test (libertem_dectris, 1.72)	1m 39s
macos-test (libertem_asi_tpx3, macos-15)	1m 23s
linux-test (libertem_dectris, stable)	1m 44s
linux-test (libertem_qd_mpx, stable)	52s
macos-test (libertem_asi_tpx3, macos-14)	1m 22s
linux-test (common, stable)	53s
linux-test (common, 1.72)	1m 15s
linux-test (libertem_asi_mpx3, 1.72)	1m 5s
linux-test (ipc_test, stable)	17s
macos-test (libertem_qd_mpx, macos-14)	1m 39s
linux-test (libertem_qd_mpx, 1.72)	1m 21s
linux-test (libertem_asi_tpx3, 1.72)	54s
linux-test (libertem_asi_tpx3, stable)	38s
macos-test (libertem_dectris, macos-14)	56s
macos-test (libertem_dectris, macos-15)	1m 4s
windows-test (libertem_dectris)	3m 25s
linux-test (libertem_asi_mpx3, stable)	50s
linux-test (ipc_test, 1.72)	29s
Release	0s
	1h 1m 35s

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