prodimage: bump to focal

Change-Id: I502ef4bbc593dae4db900eb10dc4ad93daad3985
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1382
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/WORKSPACE b/WORKSPACE
index f4f29a2..e9a701b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -142,6 +142,14 @@
 )
 
 container_pull(
+    name = "prodimage-focal",
+    digest = "sha256:fb6159a3ddf2f783092f1169792d1fba6f108714026ad2aa08204e8356825a13",
+    registry = "registry.k0.hswaw.net",
+    repository = "q3k/prodimage-focal",
+    tag = "20211214-0108",
+)
+
+container_pull(
     name = "gerrit-3.3.2",
     digest = "sha256:f7fc8b749706f38475f94191117091973914a8f084e69518deff7dbc9c2c557d",
     registry = "index.docker.io",