chore: make nix compilation environment config more robust (#5183)

* chore: improve nix-shell support

* fix: add pkg-config

* ci: add a github action to ensure build on clean system

* ci: optimise dependencies of task

* ci: move clean build to nightly

shell.nix

@@ -4,19 +4,24 @@ let
   pkgs = import nixpkgs { config = {}; overlays = []; };
 in
 
-pkgs.mkShellNoCC {
-  packages = with pkgs; [
+pkgs.mkShell rec {
+  nativeBuildInputs = with pkgs; [
+    pkg-config
     git
     clang
     gcc
-    mold
-    libgit2
     protobuf
+    mold
     (fenix.fromToolchainFile {
       dir = ./.;
     })
-    fenix.rust-analyzer
     cargo-nextest
+    taplo
   ];
 
+  buildInputs = with pkgs; [
+    libgit2
+  ];
+
+  LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath buildInputs;
 }