docs: update flymake-proselint location (#1330)

README.md

@@ -48,7 +48,7 @@ sudo apt install python3-proselint
 - A [demo editor](http://proselint.com/write)
 - [Sublime Text](https://github.com/amperser/proselint/tree/main/plugins/sublime/SublimeLinter-contrib-proselint)
 - [Atom Editor](https://github.com/smockle/linter-proselint) (thanks to [Clay Miller](https://github.com/smockle)).
-- Emacs via [Flycheck](http://www.flycheck.org/) or via [Flymake](https://github.com/manuel-uberti/flymake-proselint)
+- Emacs via [Flycheck](http://www.flycheck.org/) or via [Flymake](https://sr.ht/~manuel-uberti/flymake-proselint/)
 - Vim via [ALE](https://github.com/w0rp/ale) or [Syntastic](https://github.com/vim-syntastic/syntastic) (thanks to @lcd047, @Carreau, and [Daniel M. Capella](https://github.com/polyzen))
 - Neovim via [null-ls](https://github.com/jose-elias-alvarez/null-ls.nvim) (null-ls has [diagnostics](https://github.com/jose-elias-alvarez/null-ls.nvim/blob/main/lua/null-ls/builtins/diagnostics/proselint.lua) and [code actions](https://github.com/jose-elias-alvarez/null-ls.nvim/blob/main/lua/null-ls/builtins/code_actions/proselint.lua) for proselint)
 - [Phabricator's `arc` CLI](https://github.com/google/arc-proselint) (thanks to [Jeff Verkoeyen](https://github.com/jverkoey))