Add Github Action & add support for the last Ubuntu LTS.

apparmor.d/profiles-a-f/apparmor.systemd

@@ -7,7 +7,7 @@ abi <abi/3.0>,
 include <tunables/global>
 
 @{exec_path} = /{usr/,}lib/apparmor/apparmor.systemd
-profile apparmor.systemd @{exec_path} {
+profile apparmor.systemd @{exec_path} flags=(complain) {
   include <abstractions/base>
   include <abstractions/nameservice-strict>
 
@@ -15,7 +15,7 @@ profile apparmor.systemd @{exec_path} {
 
   /{usr/,}bin/{,ba,da}sh           rix,
   /{usr/,}bin/getconf              rix,
-  /{usr/,}bin/grep                 rix,
+  /{usr/,}bin/{,e}grep             rix,
   /{usr/,}bin/ls                   rix,
   /{usr/,}bin/xargs                rix,
   /{usr/,}{s,}bin/aa-status        rPx,