Release 2026.08.24.1

Weekly or manually triggered Shelfarr release.

Docker images:

• ghcr.io/pedro-revez-silva/shelfarr:2026.08.24.1
• ghcr.io/pedro-revez-silva/shelfarr:latest
• ghcr.io/pedro-revez-silva/shelfarr-libation:2026.08.24.1
• ghcr.io/pedro-revez-silva/shelfarr-libation:latest

Changes:

• 7a8c9fc feat: require assigned issues for pull requests (#461)
• 4b5b561 fix: resolve download and filesystem backlog (#452)