Created attachment 227881 [details]
I have that update already for some time ready:
But it will causes some ports like gitlab-ce to stop working.
Lets wait for the next gitlab-ce upgrade, maybe it is ready to switch to version 1.2.
Porter's Handbook recommends you to use USE_GITHUB instead of working around it using MASTER_SITES.
https://docs.freebsd.org/en/books/porters-handbook/book/#makefile-master_sites-github-description (Example 17)