GSD-2023-1000706 apparmor: Fix memleak in alloc_ns()

apparmor: Fix memleak in allocns This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.16 by commit 0250cf8d37bb5201a117177afd24dc73a1c81657, it...