github: disable new issues

[lostdusty]

Fix(es):

• [ ] I made sure there are no unnecessary changes in the code;
• [ ] Tested on Chromium (Includes Opera, Brave, Vivaldi, Edge, etc);
• [ ] Tested on Firefox.

[github-actions[bot]]

Download the artifacts for this pull request:

• FastForward_chromium.zip
• FastForward_firefox.zip