feat: flake update workflow (#1)

Co-authored-by: KoenDR06 <koen.de.ruiter@hotmail.com>
Co-committed-by: KoenDR06 <koen.de.ruiter@hotmail.com>

modules/containers/forgejo.nix

@@ -75,11 +75,12 @@ in {
         configFile = pkgs.writeText "runner.yml" ''
           runner:
             labels:
-              - "self-hosted:host"
+              - "nixos:host"
         '';
       in {
         environment.systemPackages = with pkgs; [
           forgejo-runner
+          nodejs_24 # Needed for actions/checkout@v4 action
         ];
 
         users.groups.runner = {};
@@ -95,7 +96,10 @@ in {
             sleep 10
             ${pkgs.forgejo-runner}/bin/forgejo-runner daemon --config ${configFile}
           '';
-          serviceConfig.User = "runner";
+          serviceConfig = {
+            User = "runner";
+            Environment = "PATH=$PATH:/run/current-system/sw/bin";
+          };
           wantedBy = ["multi-user.target"];
         };