chore(backend): update dependencies

.cargo/config.toml

@@ -0,0 +1,5 @@
+[source.crates-io]
+replace-with = "vendored-sources"
+
+[source.vendored-sources]
+directory = "vendor"

.gitignore

@@ -57,3 +57,4 @@ result
 
 /target
 *.sqlite
+/vendor/

nix/backend.nix

@@ -6,7 +6,8 @@ target: let
     pname = name;
     inherit version;
     src = pkgs.lib.cleanSource ../.;
-    cargoLock.lockFile = ../Cargo.lock;
+    # cargoLock.lockFile = ../Cargo.lock;
+    cargoVendorDir = "vendor";
     useNextest = true;
     meta = {
       inherit (cargoToml.package) description homepage;