chore(web): upgrade ESLint and plugins (#22495)

* chore(web): upgrade ESLint and plugins, simplify linting configuration

- Update eslint from ^9.18.0 to ^9.36.0
- Update eslint plugins:
  - eslint-plugin-svelte: ^3.9.0 → ^3.12.4
  - eslint-plugin-unicorn: ^60.0.0 → ^61.0.2
  - svelte-eslint-parser: ^1.2.0 → ^1.3.3
  - typescript-eslint: ^8.28.0 → ^8.45.0
- Remove eslint-p dependency in favor of native eslint concurrency
- Add unicorn/no-array-sort rule exception
- Update linting scripts to use eslint's native --concurrency flag
- Update Makefile and mise.toml to reflect simplified lint commands
- Update GitHub Actions workflow to use standard pnpm lint command

* pnpm dedupe

---------

Co-authored-by: Ben McCann <322311+benmccann@users.noreply.github.com>

.github/workflows/test.yml

@@ -185,7 +185,7 @@ jobs:
       - name: Run pnpm install
         run: pnpm rebuild && pnpm install --frozen-lockfile
       - name: Run linter
-        run: pnpm lint:p
+        run: pnpm lint
         if: ${{ !cancelled() }}
       - name: Run formatter
         run: pnpm format