build: use our own containers for RTD

Use for the readthedocs build the same containers as for the CI build.
That reduces the amount of stupid build problems.

Signed-off-by: Daniel Wagner <wagi@kernel.org>

Author: igaw

.readthedocs.yaml

@@ -2,21 +2,12 @@
 version: 2
 
 build:
-  os: ubuntu-24.04
+  os: debian
+  image: ghcr.io/linux-nvme/debian:latest
   tools:
     python: "3.11"
 
-  apt_packages:
-    - meson
-    - python3-lxml
-    - docbook-xsl
-    - xsltproc
-    - pandoc
-    - asciidoc
-    - xmlto
-
   commands:
-    - pip install lxml
     - scripts/build.sh docs
     - mkdir -p $READTHEDOCS_OUTPUT/html/
     - cp .build-ci/*.html > $READTHEDOCS_OUTPUT/html/

libnvme/.readthedocs.yaml

@@ -1,21 +1,13 @@
 # SPDX-License-Identifier: Apache-2.0
-
 version: 2
 
 build:
-  os: ubuntu-24.04
+  os: debian
+  image: ghcr.io/linux-nvme/debian:latest
   tools:
     python: "3.11"
 
-  apt_packages:
-    - meson
-    - python3-lxml
-    - docbook-xsl
-    - xsltproc
-    - pandoc
-
   commands:
-    - pip install lxml
     - scripts/build.sh rst_docs
 
 sphinx: