fix: prevent .SRCINFO creation in project root

- Use subshell for cd in aur-update-all recipe
- Add .SRCINFO to root .gitignore

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -11,3 +11,4 @@ aur/*/*.tar.gz
 aur/*/*.tar.xz
 aur/*/*.pkg.tar.*
 # Keep PKGBUILD and .SRCINFO tracked
+.SRCINFO

justfile

@@ -407,10 +407,8 @@ aur-update-all:
     echo "=== Updating meta-packages ==="
     for pkg in owlry-essentials owlry-tools owlry-widgets owlry-full; do
         echo "--- $pkg ---"
-        cd "aur/$pkg"
-        # Meta-packages just need version bump and .SRCINFO regen
-        makepkg --printsrcinfo > .SRCINFO
-        cd ../..
+        # Use subshell to avoid cd issues
+        (cd "aur/$pkg" && makepkg --printsrcinfo > .SRCINFO)
     done
     echo ""
     echo "All AUR packages updated. Run 'just aur-publish-all' to publish."