linux: 5.15.105 -> 5.15.106

pkgs/os-specific/linux/kernel/linux-5.15.nix

···
 with lib;
 
 buildLinux (args // rec {
-  version = "5.15.105";
+  version = "5.15.106";
 
   # modDirVersion needs to be x.y.z, will automatically add .0 if needed
   modDirVersion = versions.pad 3 version;
···
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "0kz4ymaqb1kpniqq2mwv3z8rirz5yyf1c9m648kqblij0djkgd81";
+    sha256 = "1r4g7ipcmj7k9dpwd5p2kd0f3iidnzl6z9g2cq4mfcw0h97r7rl4";
   };
 } // (args.argsOverride or { }))