[librsvg: 3/5] (#881) CI: Update rustup to 1.25.1

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

commit dff7b6a4ace71d8c7c14153e01577132be8d2da0
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Jul 14 13:05:48 2022 -0500

    (#881) CI: Update rustup to 1.25.1
    
    Fixes #881
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/716>

 ci/container_builds.yml | 2 +-
 ci/install-rust.sh      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/ci/container_builds.yml b/ci/container_builds.yml
index a404cec4c..8198eae0d 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: "2022-07-14.0-main"
   RUST_STABLE: "1.58.1"
   RUST_MINIMUM: "1.56.1"
 
diff --git a/ci/install-rust.sh b/ci/install-rust.sh
index 193d78088..999316711 100755
--- a/ci/install-rust.sh
+++ b/ci/install-rust.sh
@@ -3,7 +3,7 @@ source ./ci/env.sh
 set -eu
 export CARGO_HOME='/usr/local/cargo'
 
-RUSTUP_VERSION=1.24.3
+RUSTUP_VERSION=1.25.1
 RUST_VERSION=$1
 RUST_ARCH=$2