Add vim 9.0 and remove 8.0 (#4271)

* Add vim 9.0 and remove 8.0

* Remove vim 8.2 and keep 8.0

.github/workflows/main.yml

@@ -27,7 +27,7 @@ jobs:
       matrix:
         vim-version:
           - '--vim-80-only'
-          - '--vim-82-only'
+          - '--vim-90-only'
           - '--neovim-02-only'
           - '--neovim-07-only'
           - '--linters-only'