ci: attempt to run checks at buildbot-nix (#159)

* ci: attempting build and clippy on buildbot-nix

* unrelated: removing unneded cargo audit bypass

* bump: updates to flake and cargo to trigger rebuild

.cargo/audit.toml

@@ -1,7 +1,6 @@
 [advisories]
 ignore = [
     "RUSTSEC-2023-0071", # rsa marvin attack
-    "RUSTSEC-2024-0370", # proc-macro-error unmaintained triggered by validator
 ]
 
 [output]

devshells.nix

@@ -0,0 +1,31 @@
+{
+  perSystem = {
+    inputs',
+    self',
+    pkgs,
+    system,
+    ...
+  }: {
+    devShells.default = let
+      rust = pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default);
+    in
+      pkgs.mkShellNoCC {
+        buildInputs = with pkgs; [
+          bacon
+          cargo-expand
+          cargo-llvm-cov
+          cargo-nextest
+          cargo-watch
+          jq
+          nixpkgs-fmt
+          openssl
+          pkg-config
+          postgresql
+          python3
+          rust
+          svix-cli
+          sqlx-cli
+        ];
+      };
+  };
+}