I never use Chrome unless I have to because of all the tracking, etc.I saw some people saying M1 8GB feels like intel 16GB. This is absolutely not true. Do not go for 8GB ram if you plan to use chrome heavily and video edit in future. Did you consider Macbook Pro 14 inch?
FF is my browser of choice across both my primary platforms (Linux and macOS).
And honestly, for a MBA, 8GB has been absolutely fine. If you're trying to do video editing or other high-end crap, get a dedicated workstation.