steinarb/frontend-karaf-demo: Serving a react.js frontend from a servlet registered with the Pax Web Whiteboard Extender and run in apache karaf @ use-connected-react-router

Steinar Bang 7bf0451f94 Replace java 11 with java 17 in github actions CI build		1 anno fa
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workflows	7bf0451f94 Replace java 11 with java 17 in github actions CI build	1 anno fa