Github action to scan `eclipse/microprofile-*` and update site property file for automation.

[cesarhernandezgt]

Please add #Future or #NiceToHave tag to make emphasis that this is not a blocker for current website improvements tracked in microprofile/microprofile-wg#65

[cesarhernandezgt]

Article shared by @Emily-Jiang related to this ticket: https://fusebit.io/blog/github-api-list-repositories/?utm_source=www.google.com&utm_medium=referral&utm_campaign=none

[cesarhernandezgt]

As for the conversation microprofile/microprofile-wg#65 (comment), alphabetical order can be included in the automation described for this Github Issue.