Bump debian from bookworm-20250929 to bookworm-20251020 in /.github/docker#2071

pkwarren merged 1 commit intomainbufbuild/plugins:mainfrom

dependabot/docker/dot-github/docker/debian-bookworm-20251020bufbuild/plugins:dependabot/docker/dot-github/docker/debian-bookworm-20251020Copy head branch name to clipboard