Allow faccessat(2) as well as faccessat2(2) (#43322) (#43377)

There's an older faccessat(2) that is used by older glibc, particularly the one
in ubuntu 20.04.

Any cgo program (like any processor using quark) might end up needing that.

(cherry picked from commit 73353a8)

Co-authored-by: Christiano Haesbaert <haesbaert@elastic.co>

Author: mergify[bot]

Diff for: CHANGELOG.next.asciidoc

@@ -13,6 +13,7 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 - Fix FQDN being lowercased when used as `host.hostname` {issue}39993[39993]
 - Beats won't log start up information when running under the Elastic Agent {40390}40390[40390]
 - The Beats logger and file output rotate files when necessary. The beat now forces a file rotation when unexpectedly writing to a file through a symbolic link.
+- Allow faccessat(2) in seccomp. {pull}43322[43322]
 
 *Auditbeat*
 

Diff for: libbeat/common/seccomp/policy_linux_386.go

@@ -49,6 +49,7 @@ func init() {
 					"execve",
 					"exit",
 					"exit_group",
+					"faccessat",
 					"faccessat2",
 					"fchdir",
 					"fchmod",

Diff for: libbeat/common/seccomp/policy_linux_amd64.go

@@ -54,6 +54,7 @@ func init() {
 					"execve",
 					"exit",
 					"exit_group",
+					"faccessat",
 					"faccessat2",
 					"fchdir",
 					"fchmod",