build: Use apt-get instead of apt in the GitLab CI

The former is to be used programmatically, while the latter is intended
for interactive use.

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 21a1bc7b32a4d4cecd4330bd2d6d062276f1f3ad..6fae8fe68e3b285dc6d2d87067158e464fec3d42 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,8 +2,9 @@ image: debian:buster
 
 test:
   before_script:
-    - apt update -qq
-    - apt install -qq -y --no-install-recommends git gcc make autoconf automake libtool libmd-dev
+    - apt-get update -qq
+    - apt-get install -qq -y --no-install-recommends
+              git gcc make autoconf automake libtool libmd-dev
   script:
     - ./autogen && ./configure
     - make check