[gobject-introspection/ebassi/ci-update] ci: Install zlib in the minimal image

[Emmanuele Bassi <ebassi src gnome org>]

commit 9547c9f43f3b3e1c3d3064b2913d2af6f3ba5698
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sat Jun 11 02:25:05 2022 +0100

    ci: Install zlib in the minimal image

 .gitlab-ci/minimal.Dockerfile | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/minimal.Dockerfile b/.gitlab-ci/minimal.Dockerfile
index 97b0f79b..dff3f945 100644
--- a/.gitlab-ci/minimal.Dockerfile
+++ b/.gitlab-ci/minimal.Dockerfile
@@ -14,6 +14,7 @@ RUN dnf -y install \
     python3-devel \
     python3-pip \
     python3-wheel \
+    zlib-devel \
  && dnf clean all
 
 RUN pip3 install meson==0.60