cache: track timeouted fragments in FragmentationCache telemetry #415

Job	Run time
check / clang-checks	1m 18s
check / editor-config	8s
build-os-matrix	2s
make-tests (oraclelinux:10) / tests	1m 44s
build (oraclelinux:10) / build	1m 59s
rpm-build (oraclelinux:10) / rpm-build	5m 56s
ipfix-elements-check / ipfix-elements-checks	26s
rpm-install (oraclelinux:10) / rpm-install	1m 3s
	12m 36s

Provide feedback