[dia] win32: ensure pygobject is available in CI

[Zander Brown <zbrown src gnome org>]

commit 6fc56c88164feee93b8bc3f41e915656d7b61c4b
Author: Zander Brown <zbrown gnome org>
Date:   Mon Apr 5 04:08:41 2021 +0100

    win32: ensure pygobject is available in CI

 .gitlab-ci/msys.sh | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/msys.sh b/.gitlab-ci/msys.sh
index 8fae712e2..af0d570a7 100644
--- a/.gitlab-ci/msys.sh
+++ b/.gitlab-ci/msys.sh
@@ -19,6 +19,7 @@ pacman --noconfirm -S --needed \
     mingw-w64-$MSYS2_ARCH-ccache \
     mingw-w64-$MSYS2_ARCH-pkg-config \
     mingw-w64-$MSYS2_ARCH-gobject-introspection \
+    mingw-w64-$MSYS2_ARCH-pygobject \
     mingw-w64-$MSYS2_ARCH-meson \
     mingw-w64-$MSYS2_ARCH-adwaita-icon-theme \
     mingw-w64-$MSYS2_ARCH-atk \