chore(metrics): refactor metrics v2 so it uses classes #6197

Job	Run time
build-libs-linux-amd64 😁 (system_deps)	6m 30s
build-libs-linux-amd64-static 🎃	22m 50s
build-libs-others-amd64 😨 (windows-latest, MultiThreaded)	7m 3s
build-libs-linux-amd64 😁 (bundled_deps)	18m 25s
build-shared-libs-linux-amd64 🧐	5m 3s
build-libs-others-amd64 😨 (windows-latest, MultiThreadedDLL)	5m 46s
build-libs-linux-amd64 😁 (system_deps_minimal)	4m 51s
build-libs-others-amd64 😨 (macos-latest)	3m 42s
build-libs-linux-amd64 😁 (sanitizers)	14m 30s
build-shared-libs-macos-amd64 😨	2m 17s
build-libs-linux-arm64 😁 (system_deps)	6m 31s
build-libs-linux-arm64 😁 (bundled_deps)	19m 11s
build-libs-emscripten 🧐	4m 34s
build-libs-linux-arm64 😁 (system_deps_minimal)	5m 1s
build-libs-linux-arm64 😁 (sanitizers)	17m 55s
run-e2e-tests-amd64 (system_deps)	9m 24s
run-e2e-tests-amd64 (bundled_deps)	20m 11s
test-libs-static (bundled_deps)	14m 14s
run-e2e-tests-amd64 (asan)	21m 40s
	3h 29m 38s

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