[gobject-introspection/gnome-3-30] CI: Upgrade Meson version

[Christoph Reiter <creiter src gnome org>]

commit 4e57b5a95059c04ab198627318d1d2d905e5c1fd
Author: Philip Chimento <philip chimento gmail com>
Date:   Sat Sep 29 23:50:13 2018 -0700

    CI: Upgrade Meson version
    
    GLib, a wrapped dependency, requires 0.48.0, so our CI environments should
    have that installed.

 .gitlab-ci/Dockerfile    | 2 +-
 .gitlab-ci/test-msvc.bat | 2 +-
 .gitlab-ci/test-msys2.sh | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 5c291a8c..bb770eac 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -51,7 +51,7 @@ RUN dnf -y install \
     zlib-devel \
  && dnf clean all
 
-RUN pip3 install meson==0.47.1
+RUN pip3 install meson==0.48.0
 
 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}
diff --git a/.gitlab-ci/test-msvc.bat b/.gitlab-ci/test-msvc.bat
index 6812f942..1d80590b 100644
--- a/.gitlab-ci/test-msvc.bat
+++ b/.gitlab-ci/test-msvc.bat
@@ -10,7 +10,7 @@ py -3 -m zipfile -e pkg-config-lite-0.28-1.zip .
 
 SET PATH=%CD%\pkg-config-lite-0.28-1\bin;%CD%\win_flex_bison;%PATH%
 
-pip3 install --upgrade --user meson==0.47.1 || goto :error
+pip3 install --upgrade --user meson==0.48.0 || goto :error
 meson _build || goto :error
 ninja -C _build || goto :error
 
diff --git a/.gitlab-ci/test-msys2.sh b/.gitlab-ci/test-msys2.sh
index b51d0876..478eee91 100644
--- a/.gitlab-ci/test-msys2.sh
+++ b/.gitlab-ci/test-msys2.sh
@@ -29,7 +29,7 @@ pacman --noconfirm -S --needed \
 export CCACHE_BASEDIR="${CI_PROJECT_DIR}"
 export CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"
 
-pip3 install --upgrade --user meson==0.47.1 flake8
+pip3 install --upgrade --user meson==0.48.0 flake8
 export PATH="$HOME/.local/bin:$PATH"
 
 # FIXME: https://github.com/Alexpux/MINGW-packages/pull/4064