scour: depends on six

Closes #110546.

Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>

Formula/scour.rb

@@ -21,11 +21,7 @@ class Scour < Formula
   end
 
   depends_on "python@3.10"
-
-  resource "six" do
-    url "https://files.pythonhosted.org/packages/6b/34/415834bfdafca3c5f451532e8a8d9ba89a21c9743a0c59fbd0205c7f9426/six-1.15.0.tar.gz"
-    sha256 "30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"
-  end
+  depends_on "six"
 
   def install
     virtualenv_install_with_resources

pypi_formula_mappings.json

@@ -400,6 +400,9 @@
   "scipy": {
     "exclude_packages": ["numpy"]
   },
+  "scour": {
+    "exclude_packages": ["six"]
+  },
   "semgrep": "semgrep",
   "shallow-backup": {
     "exclude_packages": ["six"]