kops_1_28: 1.28.1 -> 1.28.2 (#276139)

pkgs/applications/networking/cluster/kops/default.nix

···
   };
 
   kops_1_28 = mkKops rec {
-    version = "1.28.1";
-    sha256 = "sha256-jVaSqBdxg70XODwmFIpufJGXqB4r0UfNc/J+ZnjkhDU=";
+    version = "1.28.2";
+    sha256 = "sha256-l8budNU+sXZY/hA6jluM+s5pA43j0stQM5vmkwDPuio=";
     rev = "v${version}";
   };
 }