chore: update issue template url

[MilkeeyCat]

Description

Fixes an invalid link in question issue template.

Type of change

Please delete options that are not relevant.

(nothing really fit)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list relevant details about your configuration

• Test A
• Test B

Configuration:

• Neovim version (nvim --version):
• Operating system and version:

Checklist:

• My code follows the style guidelines of this project (stylua)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (lua annotations)