Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -24,7 +24,7 @@ variables:
 # You will often need this when you (or any of your dependencies) depends on C code.
 before_script:
   - apt-get update -yqq
-  - apt-get install -yqq --no-install-recommends build-essential git cmake python3
+  - apt-get install -yqq --no-install-recommends build-essential git cmake sudo python3
 
 stages:
   - build