chore(issue-template): pdate bug report template with testing reminder

Added a reminder to test the latest release or master before submitting a bug report.

Signed-off-by: Lala Sabathil <lala@pycord.dev>

Author: Lulalaby

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -9,6 +9,8 @@ body:
         Thanks for taking the time to fill out a bug. If you want real-time support,
         consider joining our Discord at https://pycord.dev/discord instead.
 
+        Please make sure that you tested either the latest (pre-)release [currently https://pypi.org/project/py-cord/2.8.0rc1/] or master, before submitting a bug report.
+
         Please note that this form is for bugs only!
   - type: input
     attributes: