new(libsinsp): async event queue capacity setter #5921

Job	Run time
build-libs-linux-amd64 😁 (system_deps)	5m 51s
build-libs-linux-amd64 😁 (bundled_deps)	18m 4s
build-libs-linux-amd64-static 🎃	23m 52s
build-libs-linux-amd64 😁 (system_deps_minimal)	4m 22s
build-libs-others-amd64 😨 (windows-latest, MultiThreaded)	6m 54s
build-libs-linux-amd64 😁 (sanitizers)	13m 51s
build-shared-libs-linux-amd64 🧐	4m 31s
build-libs-linux-arm64 😁 (system_deps)	8m 39s
build-libs-others-amd64 😨 (windows-latest, MultiThreadedDLL)	5m 47s
build-libs-emscripten 🧐	4m 9s
build-libs-others-amd64 😨 (macos-latest)	4m 8s
build-libs-linux-arm64 😁 (bundled_deps)	18m 59s
build-shared-libs-macos-amd64 😨	2m 26s
build-libs-linux-arm64 😁 (system_deps_minimal)	4m 27s
run-e2e-tests-amd64 (system_deps)	9m 4s
build-libs-linux-arm64 😁 (sanitizers)	16m 13s
test-libs-static (bundled_deps)	15m 15s
run-e2e-tests-amd64 (bundled_deps)	21m 2s
run-e2e-tests-amd64 (asan)	21m 43s
	3h 29m 17s

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