Update GitHub templates

[tpcarman]

Description

• Fix broken links in Change Request and Bug Report templates

Related Issue

• None

Motivation and Context

• Fix broken links in templates

How Has This Been Tested?

• Tested and verified web links

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.