[skip ci] Prepare to release 2.4.2

Author: Chris Wiechmann

CHANGELOG.md

@@ -4,9 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.4.2] 2021-04-28
+### Added
+- Traffic-Monitor Search API now supports the field sslSubject [#104](https://github.com/Axway-API-Management-Plus/apigateway-openlogging-elk/issues/104)
+
 ## [2.4.1] 2021-04-28
 ### Fixed
 - Error during setup - Get custom properties flow node returned with error message: `Assignment to constant variable`
+### Added
 - Traffic-Monitor Search API now returns almost the same fields as the original API [#103](https://github.com/Axway-API-Management-Plus/apigateway-openlogging-elk/issues/103)
 
 ## [2.4.0] 2021-04-26

README.md

@@ -150,7 +150,7 @@ After this configuration has been done, Open-Traffic log-files will be created b
 
 Please download and extract the release package from the GitHub project onto your machine(s):  
 ```
-wget --no-check-certificate https://github.com/Axway-API-Management-Plus/apigateway-openlogging-elk/releases/download/v2.4.1/axway-apim-elk-v2.4.1.tar.gz -O - | tar -xvz
+wget --no-check-certificate https://github.com/Axway-API-Management-Plus/apigateway-openlogging-elk/releases/download/v2.4.2/axway-apim-elk-v2.4.2.tar.gz -O - | tar -xvz
 ```
 To simplify updates it is recommended to create a Symlink-Folder and finally rename the provided file `env-sample` to `.env`.  
 ```

apibuilder4elastic/package.json

@@ -2,7 +2,7 @@
 	"name": "apibuilder4elastic",
 	"description": "This API-Builder project provides an ELK-Based Traffic-Monitor API.",
 	"main": "app.js",
-	"version": "v2.4.1",
+	"version": "v2.4.2",
 	"author": "Chris Wiechmann",
 	"email": "cwiechmann@axway.com",
 	"url": "https://axway.com",

docker-compose.yml

@@ -56,7 +56,7 @@ services:
 
   # This is the API-Builder project exposing the API-Gateway Manager REST-API
   apibuilder4elastic:
-    image: cwiechmann/apibuilder4elastic:v2.4.1
+    image: cwiechmann/apibuilder4elastic:v2.4.2
     restart: on-failure:10
     container_name: apibuilder4elastic
     environment: