Fix: run makepkg as non-root user in Docker

.github/workflows/publish-aur.yml

@@ -33,9 +33,12 @@ jobs:
           sed -i "s/^sha256sums=.*/sha256sums=('${SHA}')/" PKGBUILD
 
       - name: Generate .SRCINFO
-        uses: docker://archlinux:latest
-        with:
-          args: bash -c "pacman -Sy --noconfirm pacman && makepkg --printsrcinfo > .SRCINFO"
+        run: |
+          docker run --rm \
+            -v "$PWD:/pkg" \
+            -w /pkg \
+            archlinux:latest \
+            bash -c "useradd -m builder && chown -R builder /pkg && su builder -c 'makepkg --printsrcinfo > .SRCINFO'"
 
       - name: Set up SSH for AUR
         run: |