[Chapel Merge] Adding PR link to merge emails

Branch: refs/heads/master
Revision: 1f61339
Author: Maxrimus
Link: Unavailable
Log Message:

Merge pull request #24 from chapel-lang/prInEmail

Adding PR link to merge emails

In relation to chapel-lang/chapel#18251 this PR should add PR Links to merge emails. In addition I upgraded to Python3 due to having to upgrade our Heroku stack to Heroku 20.

[Reviewed by @stonea and @aconsroe-hpe ]

Modified Files:
M emailer.py

M runtime.txt

Compare: https://github.com/chapel-lang/github-email-notifications/compare/af30226b33ea...1f6133960fbd