Changed api.github.com SHA1 fingerprint

[earlephilhower]

Basic Infos

• [x ] This issue complies with the issue POLICY doc.
• [x ] I have read the documentation at readthedocs and the issue is not addressed there.
• [x ] I have tested that the issue is present in current master branch (aka latest git).
• [x ] I have searched the issue tracker for a similar issue.
• [x ] If there is a stack dump, I have decoded it.
• [x ] I have filled out all fields below.

Platform

• Hardware: all
• Core Version: master
• Development Env: Arduino IDE
• Operating System: all

Settings in IDE

• Module: all
• Flash Mode: all
• Flash Size: all
• lwip Variant: all
• Reset Method: all
• Flash Frequency: all
• CPU Frequency: all
• Upload Using: ERIAL
• Upload Speed: 115200

Problem Description

HTTPSRequest has a hardcoded SHA1 fingerprint for api.github.com. That's changed so it doesn't match anymore.

MCVE Sketch

See HTTPSRequest.ino example.

Debug Messages

certificate doesn't match