github/ISSUE_TEMPLATE: Replace forum with Discussions.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
Signed-off-by: Damien George <damien@micropython.org>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,7 +7,7 @@ assignees: ''
 
 ---
 
-* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please see the MicroPython Forum (https://forum.micropython.org/) or raise a documentation request instead.
+* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please use the Discussions tab or raise a documentation request instead.
 
 * In your issue, please include a clear and concise description of what the bug is, the expected output, and how to replicate it.
 

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
 blank_issues_enabled: false
 contact_links:
-  - name: MicroPython Forum
-    url: https://forum.micropython.org/
+  - name: MicroPython GitHub Discussions
+    url: https://github.com/orgs/micropython/discussions
     about: Community discussion about all things MicroPython. This is the best place to start if you have questions about using MicroPython or getting started with MicroPython development.
   - name: MicroPython Documentation
     url: https://docs.micropython.org/

.github/ISSUE_TEMPLATE/documentation.md

@@ -7,7 +7,7 @@ assignees: ''
 
 ---
 
-* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please see the MicroPython Forum -- https://forum.micropython.org/
+* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please use the Discussions tab instead.
 
 * Describe what was missing from the documentation and/or what was incorrect/incomplete.
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,7 +7,7 @@ assignees: ''
 
 ---
 
-* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please see the MicroPython Forum (https://forum.micropython.org/) or raise a documentation request instead.
+* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please use the Discussions tab or raise a documentation request instead.
 
 * Describe the feature you'd like to see added to MicroPython. In particular, what does this feature enable and why is it useful. MicroPython aims to strike a balance between functionality and code size, so please consider whether this feature can be optionally enabled and whether it can be provided in other ways (e.g. pure-Python library).