Update auto-build configuration for Ubuntu 22.04 build

.gitlab-ci.yml

@@ -27,25 +27,15 @@ build_macos:
    tags:
       - macos
 
-build_ubuntu1804:
-   extends: .build_template_linux
-   tags:
-      - ubuntu1804
-
-build_ubuntu1804-gcc8:
+build_ubuntu2004:
    extends: .build_template_linux
-   script:
-      - make realclean
-      - make all toolset=gcc-8
-      - make realclean
-      - make linuxbuild enable-tracing=true toolset=gcc-8
    tags:
-      - ubuntu1804-gcc8
+      - ubuntu2004
 
-build_ubuntu2004:
+build_ubuntu2204:
    extends: .build_template_linux
    tags:
-      - ubuntu2004
+      - ubuntu2204
 
 build_vc191x:
    extends: .build_template