build: fix homebrew build failures

See: https://github.com/orgs/Homebrew/discussions/4612#discussioncomment-6351357

.github/workflows/build.yml

@@ -130,8 +130,12 @@ jobs:
       - name: Install Libraries on macOS
         shell: bash
         run: |
+          brew untap homebrew/core homebrew/cask
+          brew config
           brew update
           brew install --cask macfuse
+        env:
+          HOMEBREW_NO_INSTALL_FROM_API: # No value, so brew doesn't rely on homebrew-core / homebrew-cask
         if: matrix.os == 'macos-11'
 
       - name: Install Libraries on Windows

docs/content/contact.md

@@ -3,31 +3,42 @@ title: "Contact"
 description: "Contact the rclone project"
 ---
 
-# Contact the rclone project #
+# Contact the rclone project
 
-## Forum ##
+## Forum
 
 Forum for questions and general discussion:
 
-  * https://forum.rclone.org
+- https://forum.rclone.org
 
-## GitHub repository ##
+## Business support
+
+For business support or sponsorship enquiries please see:
+
+- https://rclone.com/
+- sponsorship@rclone.com
+
+## GitHub repository
 
 The project's repository is located at:
 
-  * https://github.com/rclone/rclone
+- https://github.com/rclone/rclone
 
 There you can file bug reports or contribute with pull requests.
 
-## Twitter ##
+## Twitter
 
-You can also follow me on twitter for rclone announcements:
+You can also follow Nick on twitter for rclone announcements:
 
-  * [@njcw](https://twitter.com/njcw)
+- [@njcw](https://twitter.com/njcw)
 
-## Email ##
+## Email
 
 Or if all else fails or you want to ask something private or
-confidential email [Nick Craig-Wood](mailto:nick@craig-wood.com).
+confidential
-Please don't email me requests for help - those are better directed to
+
-the forum. Thanks!
+- info@rclone.com
+
+Please don't email requests for help to this address - those are
+better directed to the forum unless you'd like to sign up for business
+support.