authentik: Add missing dependency on bash (NixOS#397961)

Author: FliegendeWurst

pkgs/by-name/au/authentik/package.nix

@@ -7,6 +7,7 @@
   buildNpmPackage,
   buildGoModule,
   runCommand,
+  bash,
   chromedriver,
   openapi-generator-cli,
   nodejs,
@@ -343,6 +344,8 @@ stdenvNoCC.mkDerivation {
   pname = "authentik";
   inherit src version;
 
+  buildInputs = [ bash ];
+
   postPatch = ''
     rm Makefile
     patchShebangs lifecycle/ak