font-patcher: don't double-shrink heavy angle brackets

[gibfahn]

Fixes: https://github.com/ryanoasis/nerd-fonts/issues/1611

Directly copied from https://github.com/ryanoasis/nerd-fonts/issues/1611#issuecomment-2061294859

Description

Ah, the heavy brackets are now two times shrunken, there was an old rule that already sized them down relative to the full cell:

The rule needs to be changed to ^pa1! ....

Requirements / Checklist

• [x] Read the Contributing Guidelines
• [x] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx
• [x] If this contains a font/glyph add its origin as background info below (e.g. URL)
• [x] Verified the license of any newly added font, glyph, or glyph set. License is: xxx

What does this Pull Request (PR) do?

Restores heavy angle brackets to the size they were in 3.1.1

How should this be manually tested?

Check size of heavy angle brackets before and after this change.

What are the relevant tickets (if any)?

https://github.com/ryanoasis/nerd-fonts/issues/1611

Screenshots (if appropriate or helpful)

3.1.1	3.2.1

[Finii]

Test :heavy_check_mark:

[Finii]

@allcontributors please add @gibfahn for code

[allcontributors[bot]]

@Finii

I've put up a pull request to add @gibfahn! :tada: