Fix apparmorProfile being ignored when it's the only field (#4507)

pipeline/backend/kubernetes/pod.go

@@ -437,7 +437,7 @@ func podSecurityContext(sc *SecurityContext, secCtxConf SecurityContextConfig, s
 		apparmor = apparmorProfile(sc.ApparmorProfile)
 	}
 
-	if nonRoot == nil && user == nil && group == nil && fsGroup == nil && seccomp == nil {
+	if nonRoot == nil && user == nil && group == nil && fsGroup == nil && seccomp == nil && apparmor == nil {
 		return nil
 	}