vim-patch:ec961b0: runtime(netrw): upstream snapshot of v176

relevant commits:
- deprecate!: netrw#Launch, netrw#Open and gx mappings
- refactor: move some utility functions in a private file
- feat: add function to deprecate features
- refactor!: remove NetrwClean command and function
- refactor: use appropriate directories to store temporary files
- refactor: better way to call vim.ui.open
- refactor(Open): prefer lua wrapper function instead of cmdline
- refactor!: drop vim 7 checks
- refactor: use vim.ui.open when using neovim
- refactor: remove s:CheckIfKde
- refactor: balloon functionality
- refactor!: remove netrw#Access function

closes: vim/vim#16519

ec961b05dc

Co-authored-by: Luca Saccarola <github.e41mv@aleeas.com>

runtime/plugin/netrwPlugin.vim

@@ -1,5 +1,10 @@
 " Load the netrw package.
 
+if !has("patch-9.1.1054") || !has('nvim')
+  echoerr 'netrw needs vim v9.1.1054'
+  finish
+endif
+
 if &cp || exists("g:loaded_netrw") || exists("g:loaded_netrwPlugin")
   finish
 endif