nix: update zon2nix

- Builds with Zig 0.15 now (but still works just fine with Zig
  0.14 projects).
- Fixes a double-free if nix-prefetch-git can't be found or errors out
- Adds support for generating Flatpak package metadata natively.

1 files changed, 1 insertions, 0 deletions

diff --git a/build.zig.zon.nix b/build.zig.zon.nix
index 6450b8df9..d3b41b58a 100644
--- a/build.zig.zon.nix
+++ b/build.zig.zon.nix
@@ -49,6 +49,7 @@
       inherit name rev hash;
       url = url_without_query;
       deepClone = false;
+      fetchSubmodules = false;
     };
 
   fetchZigArtifact = {