freecad: replace rev with tag in fetchFromGitHub

(cherry picked from commit 7091e75)

Author: mivorasu

pkgs/by-name/fr/freecad/package.nix

@@ -71,7 +71,7 @@ freecad-utils.makeCustomizable (
     src = fetchFromGitHub {
       owner = "FreeCAD";
       repo = "FreeCAD";
-      rev = finalAttrs.version;
+      tag = finalAttrs.version;
       hash = "sha256-VFTNawXxu2ofjj2Frg4OfVhiMKFywBhm7lZunP85ZEQ=";
       fetchSubmodules = true;
     };