Update dependencies

vendor/github.com/jsimonetti/rtnetlink/fuzz-shell.nix

@@ -0,0 +1,15 @@
+with import <nixpkgs> { };
+pkgs.mkShell {
+  name = "go-fuzz";
+  buildInputs = [ go ];
+  shellHook = ''
+    echo "Fuzz with commands:"
+    echo ""
+    echo "go test -fuzz=AddressMessage - will start fuzzing Address Messages"
+    echo "go test -fuzz=LinkMessage    - will start fuzzing Link Messages"
+    echo "go test -fuzz=NeighMessage   - will start fuzzing Neigh Messages"
+    echo "go test -fuzz=RouteMessage   - will start fuzzing Route Messages"
+    echo "go test -fuzz=RuleMessage    - will start fuzzing Rule Messages"
+    echo ""
+  '';
+}