JCefSampleApp for 116.0.19

Update JCEF to 37f25dc

Build: GitHub Actions #49
JCEF maven version: 116.0.19

Test the resulting build on your platform:

java -jar jcefsampleapp-116.0.19-jar-with-dependencies.jar

Make sure to include the required module opens when running on JDK 16 or later. You can find them here.

Warning: This will destroy any directory called jcef-bundle in your current work dir!