zeek: Enable building of JavaScript integration

With #256036 node now installs its shared library as well. If available
the library is detected by the Zeek build to enable Zeek's JavaScript
integration, and this patch makes the integration available
deterministically.

Author: bbannier

Formula/z/zeek.rb

@@ -26,6 +26,7 @@ class Zeek < Formula
   depends_on "swig" => :build
   depends_on "c-ares"
   depends_on "libmaxminddb"
+  depends_on "node"
   depends_on "openssl@3"
   depends_on "python@3.14"
   depends_on "zeromq"
@@ -48,6 +49,7 @@ def install
 
     system "cmake", "-S", ".", "-B", "build",
                     "-DBROKER_DISABLE_TESTS=on",
+                    "-DDISABLE_JAVASCRIPT=off",
                     "-DINSTALL_AUX_TOOLS=on",
                     "-DINSTALL_ZEEKCTL=on",
                     "-DUSE_GEOIP=on",