add builduser to sudoers for syncdeps

Author: njfox

.github/workflows/linux-aur.yml

@@ -22,6 +22,7 @@ jobs:
         run: |
           useradd builduser -m
           passwd -d builduser
+          echo "builduser ALL=(ALL) NOPASSWD: ALL" | tee /etc/sudoers.d/builduser && chmod 440 /etc/sudoers.d/builduser
       - name: Build AUR Package
         run: |
           mkdir /build