Update prettier and fix linting

[EdwardMoyse]

Attempt to fix issues making a new release:
https://github.com/HSF/phoenix/actions/runs/8338400002

Specifically:

Successfully replaced in file /home/runner/work/phoenix/phoenix/docs/api-docs/index.html
file:///home/runner/work/phoenix/phoenix/node_modules/prettier/index.mjs:16599
        throw new UndefinedParserError(
              ^

UndefinedParserError: No parser could be inferred for file "/home/runner/work/phoenix/phoenix/yarn.lock".
    at normalizeFormatOptions (file:///home/runner/work/phoenix/phoenix/node_modules/prettier/index.mjs:16599:15)
    at formatWithCursor (file:///home/runner/work/phoenix/phoenix/node_modules/prettier/index.mjs:18220:52)
    at file:///home/runner/work/phoenix/phoenix/node_modules/prettier/index.mjs:21420:12
    at async Module.format2 (file:///home/runner/work/phoenix/phoenix/node_modules/prettier/index.mjs:21425:25)

(I didn't initially think this was due to prettier, so this might not work, but some internet searching suggested this might be worth a try)