Bump head.hackage

Author: hamishmack

tool-map.nix

@@ -15,7 +15,7 @@ let
              f76d08be13e9a61a377a85e2fb63f4c5435d40f8feb3e12eb05905edb8cdea89
              26021a13b401500c8eb2761ca95c61f2d625bfef951b939a8124ed12ecf07329
              7541f32a4ccca4f97aea3b22f5e593ba2c0267546016b992dfadcd2fe944e55d
-          --sha256: sha256-NZy6Y5Lea+nOKpYkY9gO+XAZdAm0oKIAGIN8QICO9Co=
+          --sha256: sha256-RuWfL/ATjhzS7blrnBZuTNEKg4LEq0tE3yH3oapjZLw=
 
         if impl(ghc < 9.13)
           active-repositories: hackage.haskell.org