chore: remove the "-a" flag in git commit

chore: remove pkgrel in commit messages

ci: upgrade actions

ci: use upload-artifact v3

ci: use environment file instead of deprecated set-output command

ci: use checkout v3

ci: use checkout v3

chore: verbose commit in scripts

ci: handle epoch in package file name

fix(update.sh): update version before updpkgsums

fix: improve scripts

fix: use tee to keep displaying output on screen

feat: show stderr of makepkg if there are warnings

refactor: regroup logs

feat: show warnings in makepkg