[librsvg/librsvg-2.54] Make the container BASE_TAG specific to the librsvg-2.54 branch

[Federico Mena Quintero <federico src gnome org>]

commit 130349c413a6beed314f7cfbcf8e493762bcc8bc
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Jun 10 19:30:24 2022 -0500

    Make the container BASE_TAG specific to the librsvg-2.54 branch

 ci/container_builds.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/ci/container_builds.yml b/ci/container_builds.yml
index a404cec4c..2374f2963 100644
--- a/ci/container_builds.yml
+++ b/ci/container_builds.yml
@@ -6,7 +6,7 @@ include:
 variables:
   # When branching change the suffix to avoid conflicts with images
   # from the main branch
-  BASE_TAG: "2022-03-09.0-main"
+  BASE_TAG: "2022-03-10.0-librsvg-2.54"
   RUST_STABLE: "1.58.1"
   RUST_MINIMUM: "1.56.1"