fix(nix): update vendorHash and vendor dir for new deps

vendor/github.com/andybalholm/brotli/symbol_list.go

@@ -0,0 +1,22 @@
+package brotli
+
+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Utilities for building Huffman decoding tables. */
+
+type symbolList struct {
+	storage []uint16
+	offset  int
+}
+
+func symbolListGet(sl symbolList, i int) uint16 {
+	return sl.storage[i+sl.offset]
+}
+
+func symbolListPut(sl symbolList, i int, val uint16) {
+	sl.storage[i+sl.offset] = val
+}