[gimp/wip/Jehan/fix-CI-python-dev] gitlab-ci: fixing CI (hopefully) on gimp-2-10 branch.

[Jehan <jehanp src gnome org>]

commit 3ca4c44062cd454957b49c2939908541e1612612
Author: Jehan <jehan girinstud io>
Date:   Tue Sep 15 20:48:22 2020 +0200

    gitlab-ci: fixing CI (hopefully) on gimp-2-10 branch.
    
    According to the apt error, apparently python-dev has been renamed
    python2-dev.

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c5653ca2f6..c8788c3499 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -52,7 +52,7 @@ deps-debian/testing:
         meson
         python2
         python3
-        python-dev
+        python2-dev
         valac
         wget
     - apt-get install -y --reinstall ca-certificates
@@ -156,7 +156,7 @@ deps-debian/testing:
         mypaint-brushes
         poppler-data
         python2
-        python-dev
+        python2-dev
         xauth
         xvfb
     - export PKG_CONFIG_PATH="${INSTALL_PREFIX}/lib/pkgconfig:${INSTALL_PREFIX}/share/pkgconfig"