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>

mise.toml

@@ -278,12 +278,7 @@ run = "prettier --write ."
 [tasks."web:lint"]
 env._.path = "web/node_modules/.bin"
 dir = "web"
-run = "eslint . --max-warnings 0"
-
-[tasks."web:lint-p"]
-env._.path = "web/node_modules/.bin"
-dir = "web"
-run = "eslint-p . --max-warnings 0 --concurrency=4"
+run = "eslint . --max-warnings 0 --concurrency 4"
 
 [tasks."web:lint-fix"]
 run = "mise run web:lint --fix"