[librsvg: 13/21] Install sphinx-rtd-theme

[Marge Bot <marge-bot src gnome org>]

commit 4d23fb14d4fd602eac0d743a758dae36ff9eb98b
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Aug 17 17:37:27 2022 -0500

    Install sphinx-rtd-theme
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/729>

 ci/container_builds.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/ci/container_builds.yml b/ci/container_builds.yml
index 2640515e5..eee905471 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: "2022-08-15.0-devel-docs"
+  BASE_TAG: "2022-08-17.0-devel-docs"
   RUST_STABLE: "1.60.0"
   RUST_MINIMUM: "1.58.1"
 
@@ -32,8 +32,7 @@ variables:
     FDO_DISTRIBUTION_TAG: "x86_64-${RUST_STABLE}-${BASE_TAG}"
     FDO_DISTRIBUTION_EXEC: >-
       bash ci/install-rust.sh ${RUST_STABLE} x86_64-unknown-linux-gnu &&
-      pip3 install gi-docgen &&
-      pip3 install sphinx
+      pip3 install gi-docgen sphinx sphinx_rtd_theme
 
 .container.opensuse@x86_64.minimum:
   extends: .container.opensuse@common