Update kubernetes.

nix/kubernetes/configuration.nix

@@ -106,6 +106,24 @@
             });
           })
         );
+        disableOptimizations = (
+          # Example: (disableOptimizations "coreutils")
+          package_name:
+          (final: prev: {
+            "${package_name}" = final.unoptimized."${package_name}";
+          })
+        );
+        disableOptimizationsPython3 = (
+          # Example: (disableOptimizationsPython3 "scipy")
+          package_name:
+          (final: prev: {
+            python3Packages = prev.python3Packages.override {
+              overrides = python-final: python-prev: {
+                "${package_name}" = final.unoptimized.python3.pkgs."${package_name}";
+              };
+            };
+          })
+        );
       in
       [
         # (final: prev: {
@@ -129,6 +147,8 @@
             libtpms
             ;
         })
+        (disableOptimizationsPython3 "zopfli")
+        (disableOptimizations "zopfli")
       ];
 
     # This option defines the first version of NixOS you have installed on this particular machine,