[CI] Use last docker image (and dependencies)

.github/workflows/ci.yml

@@ -14,16 +14,16 @@ jobs:
           - win32_dyn
         include:
           - target: native_static
-            image_variant: xenial
+            image_variant: bionic
             lib_postfix: '/x86_64-linux-gnu'
           - target: native_dyn
-            image_variant: xenial
+            image_variant: bionic
             lib_postfix: '/x86_64-linux-gnu'
           - target: win32_static
-            image_variant: f31
+            image_variant: f35
             lib_postfix: '64'
           - target: win32_dyn
-            image_variant: f31
+            image_variant: f35
             lib_postfix: '64'
     env:
       HOME: /home/runner