chore: define specfic rust version in flake

flake.lock

@@ -57,11 +57,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1730137625,
-        "narHash": "sha256-9z8oOgFZiaguj+bbi3k4QhAD6JabWrnv7fscC/mt0KE=",
+        "lastModified": 1730327045,
+        "narHash": "sha256-xKel5kd1AbExymxoIfQ7pgcX6hjw9jCgbiBjiUfSVJ8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "64b80bfb316b57cdb8919a9110ef63393d74382a",
+        "rev": "080166c15633801df010977d9d7474b4a6c549d7",
         "type": "github"
       },
       "original": {
@@ -139,11 +139,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1730341826,
-        "narHash": "sha256-RFaeY7EWzXOmAL2IQEACbnrEza3TgD5UQApHR4hGHhY=",
+        "lastModified": 1730687492,
+        "narHash": "sha256-xQVadjquBA/tFxDt5A55LJ1D1AvkVWsnrKC2o+pr8F4=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "815d1b3ee71716fc91a7bd149801e1f04d45fbc5",
+        "rev": "41814763a2c597755b0755dbe3e721367a5e420f",
         "type": "github"
       },
       "original": {

flake.nix

@@ -37,7 +37,7 @@
 
         # Toolchains
         # latest stable
-        stable_toolchain = pkgs.rust-bin.stable.latest.default.override {
+        stable_toolchain = pkgs.rust-bin.stable."1.82.0".default.override {
           targets = [ "wasm32-unknown-unknown" ]; # wasm
         };
 
@@ -63,7 +63,7 @@
           pkg-config
           curl
           just
-          protobuf3_20
+          protobuf
           nixpkgs-fmt
           rust-analyzer
           typos