Fix typo pnpm-lock.yam in .prettierignore_staged (vercel#42212)

Fix typo `pnpm-lock.yam` in vercel#38915

Regenerate pnpm-lock.yaml without formatting (vercel#42208)

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## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)

None of the above

Co-authored-by: JJ Kasper <jj@jjsweb.site>

.prettierignore_staged

@@ -7,6 +7,6 @@ packages/next/bundles/webpack/packages/*.runtime.js
 lerna.json
 packages/next-codemod/transforms/__testfixtures__/**/*
 packages/next-codemod/transforms/__tests__/**/*
-pnpm-lock.yam
+pnpm-lock.yaml
 .github/actions/issue-validator/index.mjs
-**/convex/_generated/**
+**/convex/_generated/**