Add documentation regarding security practices for github actions #2515
Description
Please confirm that you have searched existing issues in the repo
Yes, I have searched the existing issues
Any related issues?
What is the area that this feature belongs to?
Security
Is your feature request related to a problem? Please describe.
When writing GitHub action workflows, developers might miss out on security conventions.
Describe the solution you'd like
Since this is already researched by @KevinEyo1 in #2488 and implemented in #2510, let's document it in our dev guide so that future developers can follow these conventions.
Describe alternatives you've considered
No response
Additional context
No response