Fix branding in connectservice readme, bump to node 22

Signed-off-by: Mitch Gaffigan <mitch.gaffigan@comcast.net>

Author: mgaffigan

connectservice/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:18
+FROM node:22
 WORKDIR /app
 
 COPY package*.json ./

connectservice/Readme.md

@@ -1,8 +1,8 @@
 # Connect Service
 
 Connect Service is a sample implementation of a web service which records usage
-of Mirth Server, and provides access to a notifications feed. The service implements
-the operations called by the client in `ConnectServiceUtil.java`.
+of Open Integration Engine, and provides access to a notifications feed. The service
+implements the operations called by the client in `ConnectServiceUtil.java`.
 
 ## Running and testing