fuji/river: bump the version for bugfix

fuji/configuration.nix

@@ -213,6 +213,18 @@ in
   nixpkgs.config.allowUnfree = true;
   nixpkgs.overlays = [
     nvim.overlays.${system}.overlay
+    (final: prev: {
+      river = prev.river.overrideAttrs (_: rec {
+        version = "0.4.8";
+        src = prev.fetchFromGitea {
+          domain = "codeberg.org";
+          owner = "river";
+          repo = "river";
+          tag = "v${version}";
+          hash = "sha256-vqOGyd0sddjYZ47xPMFmfzDIg8mHfIBzAJQ2CcsMQ3Y=";
+        };
+      });
+    })
   ];
   environment = {
     #memoryAllocator.provider = "mimalloc";