CI-unixish-docker.yml: updated latest ubuntu to 24.04 (#6363)

Author: firewave

.github/workflows/CI-unixish-docker.yml

@@ -19,10 +19,10 @@ jobs:
 
     strategy:
       matrix:
-        image: ["ubuntu:16.04", "ubuntu:18.04", "ubuntu:23.10"]
+        image: ["ubuntu:16.04", "ubuntu:18.04", "ubuntu:24.04"]
         include:
           - build_gui: false
-          - image: "ubuntu:23.10"
+          - image: "ubuntu:24.04"
             build_gui: true
       fail-fast: false # Prefer quick result
 
@@ -92,7 +92,7 @@ jobs:
 
     strategy:
       matrix:
-        image: ["ubuntu:16.04", "ubuntu:18.04", "ubuntu:23.10"]
+        image: ["ubuntu:16.04", "ubuntu:18.04", "ubuntu:24.04"]
       fail-fast: false # Prefer quick result
 
     runs-on: ubuntu-22.04