chore(falco): deprecated -A

Signed-off-by: Luca Guerra <luca@guerra.sh>

userspace/falco/app/options.cpp

@@ -126,7 +126,7 @@ void options::define(cxxopts::Options& opts)
 #endif
 		("config-schema",                 "Print the config json schema and exit.", cxxopts::value(print_config_schema)->default_value("false"))
 		("rule-schema",                   "Print the rule json schema and exit.", cxxopts::value(print_rule_schema)->default_value("false"))
-		("A",                             "Monitor all events supported by Falco and defined in rules and configs. Some events are ignored by default when -A is not specified (the -i option lists these events ignored). Using -A can impact performance. This option has no effect when reproducing events from a capture file.", cxxopts::value(all_events)->default_value("false"))
+		("A",                             "DEPRECATED: use -o base_syscalls.all=true instead. Monitor all events supported by Falco and defined in rules and configs. Some events are ignored by default when -A is not specified (the -i option lists these events ignored). Using -A can impact performance. This option has no effect when reproducing events from a capture file.", cxxopts::value(all_events)->default_value("false"))
 		("b,print-base64",                "Print data buffers in base64. This is useful for encoding binary data that needs to be used over media designed to consume this format.")
 #if !defined(_WIN32) && !defined(__EMSCRIPTEN__) && !defined(MINIMAL_BUILD)
 		("cri",                           "DEPRECATED: use -o container_engines.cri.sockets[]=<socket_path> instead. Path to CRI socket for container metadata. Use the specified <path> to fetch data from a CRI-compatible runtime. If not specified, built-in defaults for commonly known paths are used. This option can be passed multiple times to specify a list of sockets to be tried until a successful one is found.", cxxopts::value(cri_socket_paths), "<path>")