build: use explicit playwright version in flake

flake.nix

@@ -2,17 +2,25 @@
   description = "Pixelpact Project Flake";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
     flake-utils.url = "github:numtide/flake-utils";
+    playwright.url = "github:pietdevries94/playwright-web-flake/1.48.2";
   };
 
   outputs = {
     nixpkgs,
     flake-utils,
+    playwright,
     ...
   }:
     flake-utils.lib.eachDefaultSystem (system: let
-      pkgs = import nixpkgs {inherit system;};
+      overlay = final: prev: {
+        inherit (playwright.packages.${system}) playwright-test playwright-driver;
+      };
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [overlay];
+      };
       nodejs = pkgs.nodejs_20;
       start-server = pkgs.writeShellScriptBin "start-server" ''cd $REPOSITORY_ROOT/pixelpact; npm run start'';
       start-server-docker = pkgs.writeShellScriptBin "start-server-docker" ''cd $REPOSITORY_ROOT/pixelpact; docker compose up --build'';
@@ -21,10 +29,9 @@
         buildInputs = with pkgs; [nodejs start-server start-server-docker];
         shellHook = ''
           export REPOSITORY_ROOT=$(pwd)
-          playwright_chromium_revision="$(${pkgs.jq}/bin/jq --raw-output '.browsers[] | select(.name == "chromium").revision' ${pkgs.playwright-driver}/package/browsers.json)"
-          export PLAYWRIGHT_CHROME_EXECUTABLE_PATH="${pkgs.playwright-driver.browsers}/chromium-$playwright_chromium_revision/chrome-linux/chrome";
           export PLAYWRIGHT_BROWSERS_PATH=${pkgs.playwright-driver.browsers}
-          export PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS
+          export PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS=true
+          export PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=true
           ln -fs "$REPOSITORY_ROOT/bin/pre-commit" "$REPOSITORY_ROOT/.git/hooks/pre-commit"
         '';
       };