doc(NodeHelloWorldExample): Bump itk.js to 12.2.0
doc(NodeHelloWorldExample): Bump itk.js to 12.2.0

thewtex/ITKBridgeJavaScript,InsightSoftwareConsortium/ITKBridgeJavaScript,InsightSoftwareConsortium/ITKBridgeJavaScript,InsightSoftwareConsortium/ITKBridgeJavaScript,thewtex/ITKBridgeJavaScript,thewtex/ITKBridgeJavaScript