🐛 [BUG] - Not detecting issue template .yml files

[merelanne]

Description

Currently, Susie only detects .md files for Issue templates, but the new way to have issue templates in GitHub is using .yml files. This even means that the issue templates in Susie's own repo are not detected.

Reproduction URL

https://github.com/philippedeb/susie

Reproduction steps

1. Go to https://philippedeb.github.io/susie/
2. Enter https://github.com/philippedeb/susie in the search bar
3. Click on search
4. See that the issue template is not detected

Screenshots

Logs

No response

Browsers

Firefox

OS

Windows