CI: Update packages to also install Qt6 in the docker to build things

.gitlab-ci.yml

@@ -25,7 +25,9 @@
 
 .common_build:
     before_script:
-        - apt update && apt -y install make libmpv-dev cmake clang clang-format gcc g++ libomp-dev libsdl2-dev libsdl2-image-dev xxd mkvtoolnix libcurl4-openssl-dev libsqlite3-dev manpages man-db fontconfig libfontconfig-dev
+        - apt update && apt -y install make libmpv-dev cmake clang clang-format gcc g++ xxd mkvtoolnix
+            libcurl4-openssl-dev libsqlite3-dev manpages man-db libfontconfig-dev 
+            qt6-base qt6-declarative qt6-multimedia qt6-multimedia-ffmpeg
         - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup.sh
         - chmod +x ./rustup.sh
         - ./rustup.sh -y --default-toolchain beta