ci: Workaround for failing linux build

.gitlab-ci.yml

@@ -292,6 +292,7 @@ pages:
 
 build_linux_x86:
   stage: build
+  image: registry.gitlab.com/famedly/company/frontend/flutter-dockerimages/flutter-linux/stable
   before_script:
     [
       sudo apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install keyboard-configuration -y && sudo apt-get install curl clang cmake ninja-build pkg-config libgtk-3-dev libblkid-dev liblzma-dev libjsoncpp-dev cmake-data libsecret-1-dev libsecret-1-0 librhash0 -y,