Resin WebSocket support for Spring 4.x

<!-- https://jarcasting.com/artifacts/com.caucho/spring4-websocket/ -->
<dependency>
    <groupId>com.caucho</groupId>
    <artifactId>spring4-websocket</artifactId>
    <version>4.0.63</version>
</dependency>

// https://jarcasting.com/artifacts/com.caucho/spring4-websocket/
implementation 'com.caucho:spring4-websocket:4.0.63'

// https://jarcasting.com/artifacts/com.caucho/spring4-websocket/
implementation ("com.caucho:spring4-websocket:4.0.63")

'com.caucho:spring4-websocket:jar:4.0.63'

<dependency org="com.caucho" name="spring4-websocket" rev="4.0.63">
  <artifact name="spring4-websocket" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.caucho', module='spring4-websocket', version='4.0.63')
)

libraryDependencies += "com.caucho" % "spring4-websocket" % "4.0.63"

[com.caucho/spring4-websocket "4.0.63"]