Distcheck action: use Debian 11 ("Bullseye") for now.

Debian 12 does not compile yet.

diff --git a/.github/workflows/distcheck.yml b/.github/workflows/distcheck.yml
index fcfe42bb755062b3f5588faabc5afbac50cd0bb7..692edc772db454fc40c5facf5dc28442e361850b 100644 (file)
--- a/.github/workflows/distcheck.yml
+++ b/.github/workflows/distcheck.yml
@@ -16,7 +16,7 @@ defaults:
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: collectd/ci:bookworm_amd64
+    container: collectd/ci:bullseye_amd64
     env:
       MAKEFLAGS: "-j$(nproc) -sk"
       # this env var picked up by valgrind during make check phase