Update checkout and upload-artifact action to v3 to mute nodejs
deprecation warning.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit 52570d4242822e3db678f5484c2ca3e72f485d52)
(cherry picked from commit 5d87b95697)
Just copy .github from openwrt enabling:
- checking of formalities
- checking of build
- issue template
- pr template
Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit d1ab87b7db)