Update proto-lens-protoc

Author: szg251

settings.nix

@@ -21,7 +21,7 @@
           settings = {
             # WARN(bladyjoker): Using recent versions fails because `ghc-source-gen` is marked as broken.
             # Unfortunately, this means yet another GHC in your Nix store -.-
-            proto-lens-protoc = pkgs.haskell.packages.ghc810.proto-lens-protoc;
+            proto-lens-protoc = pkgs.haskellPackages.proto-lens-protoc;
           };
         };