fix(libsinsp): enable metrics collector on all platforms #7113

Job	Run time
build-libs-linux-amd64-static 🎃	23m 18s
build-libs-linux-amd64 😁 (system_deps)	6m 51s
build-libs-others-amd64 😨 (windows-latest, MultiThreaded)	5m 56s
build-libs-linux-amd64 😁 (bundled_deps)	16m 46s
build-libs-others-amd64 😨 (windows-latest, MultiThreadedDLL)	6m 7s
build-shared-libs-linux-amd64 🧐	5m 34s
build-libs-linux-amd64 😁 (system_deps_minimal)	5m 3s
build-shared-libs-macos-amd64 😨	1m 7s
build-libs-others-amd64 😨 (macos-latest)	2m 25s
build-libs-linux-amd64 😁 (sanitizers)	15m 46s
build-libs-linux-amd64 😁 (zig)	26m 28s
test-libs-static (bundled_deps)	13m 29s
build-libs-linux-arm64 😁 (system_deps)	11m 43s
build-libs-emscripten 🧐	5m 30s
build-libs-linux-arm64 😁 (bundled_deps)	26m 12s
build-libs-linux-arm64 😁 (system_deps_minimal)	8m 57s
build-libs-linux-arm64 😁 (sanitizers)	32m 6s
build-libs-linux-arm64 😁 (zig)	46m 51s
run-e2e-tests-amd64 (system_deps)	8m 51s
run-e2e-tests-amd64 (bundled_deps)	19m 7s
run-e2e-tests-amd64 (asan)	20m 55s
	5h 9m 2s

Provide feedback