[atkmm] CI: Don't build everything with warnings=fatal

[Kjell Ahlstedt <kjellahl src gnome org>]

commit e7d4c6d3a5e8b1cf8d2ec3b4bc27f1e34ab02d4f
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sat Feb 5 12:52:49 2022 +0100

    CI: Don't build everything with warnings=fatal
    
    Build only atkmm with warnings=fatal.
    Select latest released version of glibmm.

 .gitlab-ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 73febd3..3fd41f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -53,17 +53,17 @@ build_deps:
     - git clone --branch 3.0.7 --depth 1 https://github.com/libsigcplusplus/libsigcplusplus.git libsigc
     - cd libsigc
     - mkdir _build && cd _build
-    - meson --prefix=/usr --libdir=lib -Dwarnings=fatal -Dbuild-examples=false -Dbuildtype=release
+    - meson --prefix=/usr --libdir=lib -Dbuild-examples=false -Dbuildtype=release
     - meson compile
     - meson install
     - cd ../..
     - fi
     # Build glibmm-2.68
     - if test ! -d glibmm; then
-    - git clone --branch 2.68.1 --depth 1 https://gitlab.gnome.org/GNOME/glibmm.git glibmm
+    - git clone --branch 2.70.0 --depth 1 https://gitlab.gnome.org/GNOME/glibmm.git glibmm
     - cd glibmm
     - mkdir _build && cd _build
-    - meson --prefix=/usr --libdir=lib -Dwarnings=fatal -Dbuild-examples=false -Dbuildtype=release
+    - meson --prefix=/usr --libdir=lib -Dbuild-examples=false -Dbuildtype=release
     - meson compile
     - cd ../..
     - fi