Update libpfm4 to Commit e21e89 #699

Job	Run time
papi_clang_analysis	5m 46s
papi_component_nvidia (cuda, yes)	1m 18s
papi_component (perf_event, yes)	12m 17s
papi_component_nvidia (cuda, no)	1m 4s
papi_component_amd (rocm, yes)	7m 29s
papi_component (perf_event, no)	7m 28s
papi_spack	14m 19s
papi_component_nvidia (nvml, yes)	6m 47s
papi_component_amd (rocm, no)	6m 4s
papi_component (lmsensors, yes)	12m 17s
papi_component_nvidia (nvml, no)	6m 26s
papi_component_amd (rocm_smi, yes)	6m 45s
papi_component (lmsensors, no)	10m 27s
papi_component_amd (rocm_smi, no)	5m 55s
papi_component (io, yes)	8m 14s
papi_component (io, no)	7m 14s
papi_component (net, yes)	8m 0s
papi_component (net, no)	7m 7s
papi_component (powercap, yes)	16m 7s
papi_component (powercap, no)	10m 56s
papi_component (appio, yes)	7m 57s
papi_component (appio, no)	10m 46s
papi_component (coretemp, yes)	7m 52s
papi_component (coretemp, no)	10m 28s
papi_component (stealtime, yes)	8m 17s
papi_component (stealtime, no)	6m 45s
	3h 34m 5s

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