[llvm] [Docs] Update documentation for the new GitHub workflow (PR #65162)

[Nick Desaulniers via llvm-commits]

================
@@ -110,7 +105,7 @@ Discourse forums. There are also commit mailing lists for all commits to the LLV
 The :doc:`CodeOfConduct` applies to all these forums and mailing lists.
 
 `LLVM Discourse`__
-  The forums for all things LLVM and related sub-projects. There are categories and subcategories for a wide variety of areas within LLVM. You can also view tags or search for a specific topic. 
+  The forums for all things LLVM and related sub-projects. There are categories and subcategories for a wide variety of areas within LLVM. You can also view tags or search for a specific topic.
----------------
nickdesaulniers wrote:

+1 trailing whitespace and line wraps

https://github.com/llvm/llvm-project/pull/65162