Fixed FastCGI connections not closing properly, when SVR.JS is running on Bun

index.js

@@ -182,6 +182,11 @@ function createFastCGIHandler(options) {
       if (typeof socket !== "undefined") {
         socket.removeListener("data", fastCGISocketHandler);
         processFastCGIPacket = function() {};
+        try {
+          socket.end();  //Fixes connection not closing properly in Bun
+        } catch (err) {
+          //It is already closed
+        }
       }
       var appStatus = processedPacket.content.readUInt32BE(0);
       var protocolStatus = processedPacket.content.readUInt8(4);