Update Apache docs to use 127.0.0.1 instead of localhost

[EchedelleLR]

Description

Update Apache docs to use 127.0.0.1 instead of localhost as done with Nginx at #1264.

Checklist

If this is a documentation change, only the first checkbox must be filled (you can delete the others if you want).

• I we have read the GoToSocial contribution guidelines.
• I we have discussed the proposed changes already, either in an issue on the repository, or in the Matrix chat.
• I we have performed a self-review of added code.
• I we have written code that is legible and maintainable by others.
• I we have commented the added code, particularly in hard-to-understand areas.
• I we have made any necessary changes to documentation.

[igalic]

thanks! here's some feedback

[igalic]

thanks! here's some feedback

Well that didn't work

[EchedelleLR]

Did I make something wrong? I cannot see the proposed changes.

[igalic]

after rereading your patch, and the documentation, I've come to the conclusion that there's nothing to improve on here!

[tsmethurst]

Thanks for this :)