Update issue template (#1168)

* Update issue template

Call out support as best path when a contract exists.

* Update .github/ISSUE_TEMPLATE/Bug_Report.md

Update single line to add active.

Co-authored-by: Zuhair Ahmed <[email protected]>

* Update .github/ISSUE_TEMPLATE/Bug_Report.md

Add link

Co-authored-by: Andrea Angiolillo <[email protected]>

* Update Bug_Report.md

Fix wording

* Update Bug_Report.md

Zach's suggestion.

* Update Bug_Report.md

Remove extra arrow

---------

Co-authored-by: Zuhair Ahmed <[email protected]>
Co-authored-by: Andrea Angiolillo <[email protected]>

Author: 3 people

.github/ISSUE_TEMPLATE/Bug_Report.md

@@ -4,12 +4,15 @@ about: Something unexpected happen? Report an error, crash, or an incorrect beha
 
 ---
 
-<!--
 Hello!
 
 Thank you for opening an issue.  Please note that we try to keep the Terraform MongoDB Atlas Provider issue tracker reserved for bug reports.  Please ensure you check open and closed issues first to ensure your issue hasn't already been reported (if it has been reported add a reaction, i.e. +1, to the issue).  
 
 If your issue relates to Terraform itself, please open it in the Terraform repository https://github.com/hashicorp/terraform/issues.
+
+If you have an active MongoDB Atlas Support contract, the best way for us to assist you with the Terraform MongoDB Atlas Provider is through a [support ticket](https://support.mongodb.com/).
+
+Repository issues are only for community reporting and assistance.
 -->
 
 ### Terraform CLI and Terraform MongoDB Atlas Provider Version