Replaces references to Salt with GitHub Sponsors

Author: bbatsov

README.md

@@ -175,7 +175,7 @@ to become a CIDER sponsor.
 
 You can support the development of CIDER, [clojure-mode][] and [inf-clojure][] via
 [Open Collective](https://opencollective.com/cider),
-[Salt](https://salt.bountysource.com/teams/cider),
+[GitHub Sponsors](https://github.com/sponsors/bbatsov),
 [Patreon](https://www.patreon.com/bbatsov) and
 [PayPal](https://www.paypal.me/bbatsov).
 

doc/modules/ROOT/pages/contributing/funding.adoc

@@ -14,11 +14,12 @@ for your preferences (although currently https://opencollective.com/cider[Open C
 If you're working in a company that's making significant use of CIDER we'd appreciate it if you suggest to your company
 to become a CIDER sponsor.
 
-You can support the development of CIDER, https://github.com/clojure-emacs/clojure-mode[clojure-mode] and https://github.com/clojure-emacs/inf-clojure[inf-clojure] via
-https://opencollective.com/cider[Open Collective],
-https://salt.bountysource.com/teams/cider[Salt],
-https://www.patreon.com/bbatsov[Patreon] and
-https://www.paypal.me/bbatsov[PayPal].
+You can support the development of CIDER, https://github.com/clojure-emacs/clojure-mode[clojure-mode] and https://github.com/clojure-emacs/inf-clojure[inf-clojure] via:
+
+* https://opencollective.com/cider[Open Collective]
+* https://github.com/sponsors/bbatsov[GitHub Sponsors]
+* https://www.patreon.com/bbatsov[Patreon]
+* https://www.paypal.me/bbatsov[PayPal]
 
 === Open Collective