Update firefox.rb

Author: SMillerDev

Formula/firefox.rb

@@ -1,18 +1,18 @@
 class Firefox < Formula
-  desc "you know"
+  desc "You know"
   homepage "https://mozilla.org"
   url "https://hg.mozilla.org/mozilla-central/raw-file/default/python/mozboot/bin/bootstrap.py"
   version "1.2"
   sha256 "348d4dd6222fa5a5a796f4edc51228905a7f0a67f5301eb054e2f24640f76e82"
-  license ""
+  license "MIT"
 
-  depends_on "mercurial"
-  depends_on "git-cinnabar"
-
-  uses_from_macos "python"
+  depends_on "git-cinnabar" => :build
+  depends_on "mercurial" => :build
+  depends_on "[email protected]" => :build
 
   def install
-    system "python3", "bootstrap.py", "--vcs=git"
+    system "which", "python3"
+    system "python3", "bootstrap.py", "--vcs=git", "--no-interactive"
     system "hg", "up", "-C", "central"
     system "./mach", "build"
   end