chore(issues): change GH issues questions link to listing page

The new forum post link requires login. Direct questions to the Developer category listing page on community.equinix.com

Signed-off-by: Marques Johansson <[email protected]>

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
 blank_issues_enabled: true
 contact_links:
   - name: Terraform Equinix Provider Questions
-    url: https://community.equinix.com/t5/forums/postpage/board-id/OR
+    url: https://community.equinix.com/t5/forums/filteredbylabelpage/board-id/OR/label-name/Developer
     about: GitHub issues in this repository are only intended for bug reports and feature requests. Other issues will be closed. Please ask and answer questions through the Equinix Community Forum.
 
   - name: Terraform Core Bug Reports and Feature Requests