Docker.community: Update adoptium package repository link

https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public
This site has been deprecated, Please refer : https://adoptium.net/blog/2023/07/adoptopenjdk-jfrog-io-has-been-deprecated



Signed-off-by: Jackeagle <jackeagle102@gmail.com>