Pin mojo-regex 0.12.0 to d5c6ffb (include PR #147 literal-quantifier routing + DFA O(N^2) fix)

Author: msaelices

recipes/mojo-regex/recipe.yaml

@@ -30,4 +30,4 @@ requirements:
     - ${{ pin_compatible('mojo-compiler') }}
 source:
   - git: https://github.com/msaelices/mojo-regex.git
-    rev: e2db672
+    rev: d5c6ffb