Add AppArmor sysctl entries to exception list

Fixes failing CI on Ubuntu and Fedora caused by new sysctl options.

Addressing:
```
239/278 Test OpenSCAP#239: probes/sysctl/test_sysctl_probe_all.sh .............................................***Failed    0.48 sec
Result file: test_sysctl_probe_all.res.out.49w9xN
Our names file: test_sysctl_probe_all.our.out.o4wjUZ
Sysctl names file: test_sysctl_probe_all.sysctl.out.3nEoMb
Errors file: test_sysctl_probe_all.err.out.YeCCxH
Diff (sysctlNames / ourNames): ------
56,58d55
< kernel.apparmor_restrict_unprivileged_userns
< kernel.apparmor_restrict_unprivileged_userns_complain
< kernel.apparmor_restrict_unprivileged_userns_force
```

tests/probes/sysctl/test_sysctl_probe_all.sh

@@ -16,9 +16,12 @@ SYSCTL_EXCLUDE='
  fs.protected_fifos
  fs.protected_regular
  fs.protected_symlinks
+ kernel.apparmor_display_secid_mode
+ kernel.apparmor_restrict_unprivileged_userns
+ kernel.apparmor_restrict_unprivileged_userns_complain
+ kernel.apparmor_restrict_unprivileged_userns_force
  kernel.cad_pid
  kernel.unprivileged_userns_apparmor_policy
- kernel.apparmor_display_secid_mode
  kernel.usermodehelper.bset
  kernel.usermodehelper.inheritable
  net.core.bpf_jit_harden