update discord invite link (#7836)

Signed-off-by: Sally MacFarlane <macfarla.github@gmail.com>

Author: macfarla

CONTRIBUTING.md

@@ -8,7 +8,7 @@ Welcome to the Besu repository! The following links are a set of guidelines for
 Having the following accounts is necessary for contributing code/issues to Besu.  
 * If you want to contribute code, you can make a [github account here](https://github.com).  
 * If you want to raise an issue, do so [in the issues tab](https://github.com/hyperledger/besu/issues).
-* To ask questions or chat with us, join our [Discord](https://discord.gg/hyperledger)
+* To ask questions or chat with us, join our [Discord](https://discord.com/invite/hyperledger)
 * To edit pages in our wiki, you'll need a [Linux Foundation (LF) account].
 
 ### Useful contributing links

MAINTAINERS.md

@@ -84,7 +84,7 @@ The following steps must occur for a contributor to be "upgraded" as a maintaine
   - The proposed maintainer accepts the nomination and expresses a willingness
     to be a long-term (more than 6 month) committer by adding a comment in the proposal PR.
   - The PR will be communicated in all appropriate communication channels
-    including at least [besu-contributors channel on Discord](https://discord.gg/hyperledger),
+    including at least [besu-contributors channel on Discord](https://discord.com/invite/hyperledger),
     the [mailing list](https://lists.hyperledger.org/g/besu)
     and any maintainer/community call.
 - Approval by at least 3 current maintainers within two weeks of the proposal or

README.md

@@ -3,7 +3,7 @@
  [![Documentation](https://img.shields.io/github/actions/workflow/status/hyperledger/besu-docs/publish-main-docs.yml?branch=main&label=docs)](https://github.com/hyperledger/besu-docs/actions/workflows/publish-main-docs.yml)
  [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/3174/badge)](https://bestpractices.coreinfrastructure.org/projects/3174)
  [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/hyperledger/besu/blob/main/LICENSE)
- [![Discord](https://img.shields.io/discord/905194001349627914?logo=Hyperledger&style=plastic)](https://discord.gg/hyperledger)
+ [![Discord](https://img.shields.io/discord/905194001349627914?logo=Hyperledger&style=plastic)](https://discord.com/invite/hyperledger)
  [![Twitter Follow](https://img.shields.io/twitter/follow/HyperledgerBesu)](https://twitter.com/HyperledgerBesu)
 
 [Download](https://github.com/hyperledger/besu/releases)
@@ -67,5 +67,5 @@ and <a href="https://www.yourkit.com/youmonitor/">YourKit YouMonitor</a>.
 
 [Besu Issues]: https://github.com/hyperledger/besu/issues
 [Besu User Documentation]: https://besu.hyperledger.org
-[Besu channel on Discord]: https://discord.gg/hyperledger
+[Besu channel on Discord]: https://discord.com/invite/hyperledger
 [Contributing Guidelines]: CONTRIBUTING.md

SUPPORT.md

@@ -20,5 +20,5 @@ Having Github, Discord, and Linux Foundation accounts is necessary for obtaining
 
 
 [Besu User Documentation]: https://besu.hyperledger.org
-[Besu channel on Discord]: https://discord.gg/hyperledger
+[Besu channel on Discord]: https://discord.com/invite/hyperledger
 [Contributing Guidelines]: CONTRIBUTING.md