zig: revision

* zig uses llvm@13
* zig: add revision line

Closes #104496.

Signed-off-by: Bo Anderson <mail@boanderson.me>
Signed-off-by: Rui Chen <rui@chenrui.dev>
Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>

Formula/zig.rb

@@ -4,6 +4,7 @@ class Zig < Formula
   url "https://ziglang.org/download/0.9.1/zig-0.9.1.tar.xz"
   sha256 "38cf4e84481f5facc766ba72783e7462e08d6d29a5d47e3b75c8ee3142485210"
   license "MIT"
+  revision 1
   head "https://github.com/ziglang/zig.git"
 
   bottle do
@@ -16,7 +17,7 @@ class Zig < Formula
   end
 
   depends_on "cmake" => :build
-  depends_on "llvm"
+  depends_on "llvm@13"
 
   fails_with gcc: "5" # LLVM is built with GCC