[PATCH] tools/build-docs-container: add debian 11

We removed the python3-saneyaml host dependency which was the blocker
for building the docs with Debian 11 here. Add Debian 11 to this list.

Reported-by: Quentin Schulz <[email protected]>
Signed-off-by: Antonin Godard <[email protected]>
---
 documentation/tools/build-docs-container | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/documentation/tools/build-docs-container b/documentation/tools/build-docs-container
index 459daa6de..acce3b3e0 100755
--- a/documentation/tools/build-docs-container
+++ b/documentation/tools/build-docs-container
@@ -37,6 +37,7 @@ $0 OCI_IMAGE [make arguments...]
      - almalinux:9
      - centos:stream9
      - centos:stream10
+     - debian:11
      - debian:12
      - debian:13
      - fedora:42
@@ -108,7 +109,7 @@ main ()
       pip3=pip3_docs.sh
       repo=quay.io/centos
       ;;
-    # "debian:11"*|\
+    "debian:11"*|\
     "debian:12"*|\
     "debian:13"*)
       containerfile=Containerfile.debian

---
base-commit: 47f0f69651280151a52f41fd6b425d55427401e9
change-id: 20260623-add-debian-11-container-a462927fb263