Drop Debian 10 "Buster" (end of life)

.github/workflows/container-auto-update.yml

@@ -28,7 +28,6 @@ jobs:
         BASE_IMAGE:
           - docker.io/debian:bookworm
           - docker.io/debian:bullseye
-          - docker.io/debian:buster
       fail-fast: false
       max-parallel: 1
 

.github/workflows/container-publish.yml

@@ -26,7 +26,6 @@ jobs:
         BASE_IMAGE:
           - docker.io/debian:bookworm
           - docker.io/debian:bullseye
-          - docker.io/debian:buster
 
     env:
       REGISTRY: ghcr.io

README.md

@@ -3,6 +3,6 @@ Debian GNU/Linux
 
 [`debian`](https://ghcr.io/sgsgermany/debian) is [@SGSGermany](https://github.com/SGSGermany)'s base image for containers based on [Debian GNU/Linux](https://www.debian.org/). This image is built *daily* at 21:20 UTC on top of the [official Docker image](https://hub.docker.com/_/debian) using [GitHub Actions](https://github.com/SGSGermany/debian/actions/workflows/container-publish.yml).
 
-Rebuilds are triggered only if Debian builds a new image, or if one of the [`debuerreotype`](https://github.com/debuerreotype/debuerreotype) base packages were updated. Currently we create images for **Debian 12 "Bookworm"**, **Debian 11 "Bullseye"**, and **Debian 10 "Buster"**. Please note that we might add or drop branches at any time.
+Rebuilds are triggered only if Debian builds a new image, or if one of the [`debuerreotype`](https://github.com/debuerreotype/debuerreotype) base packages were updated. Currently we create images for **Debian 12 "Bookworm"**, and **Debian 11 "Bullseye"**. Please note that we might add or drop branches at any time.
 
 All images are tagged with their full Debian version string, build date and build job number (e.g. `v11.3-20190618.1658821493.1`). The latest build of a Debian release is additionally tagged without the build information (e.g. `v11.3`). If an image represents the latest version of a Debian release branch, it is additionally tagged without the minor version (e.g. `v11`) and with the release branch's codename (e.g. `bullseye`); both without and with build information (e.g. `v11-20190618.1658821493.1` and  `bullseye-20190618.1658821493.1`). The latest build of the latest Debian version is furthermore tagged with `latest`.