Update libpfm4 to commit 69550d #20

Job	Run time
papi_clang_analysis	7m 46s
papi_component_infiniband (infiniband, yes, with)	1m 33s
papi_components_comprehensive (cuda nvml rocm rocm_smi powercap powercap_ppc rapl sensors_ppc inf...	2m 33s
papi_components_amd (rocm rocm_smi, yes, with)	1m 51s
papi_component_infiniband (infiniband, yes, without)	8m 37s
papi_components_comprehensive (cuda nvml rocm rocm_smi powercap powercap_ppc rapl sensors_ppc inf...	15m 10s
papi_spack	26m 52s
papi_component_infiniband (infiniband, no, with)	1m 55s
papi_components_comprehensive (cuda nvml rocm rocm_smi powercap powercap_ppc rapl sensors_ppc inf...	2m 49s
papi_components_amd (rocm rocm_smi, yes, without)	16m 1s
papi_component_infiniband (infiniband, no, without)	8m 33s
papi_components_comprehensive (cuda nvml rocm rocm_smi powercap powercap_ppc rapl sensors_ppc inf...	17m 33s
papi_components_amd (rocm rocm_smi, no, with)	1m 45s
papi_components_amd (rocm rocm_smi, no, without)	7m 39s
	2h 0m 37s

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