🐛 Bug: watch should require a task

[dimitropoulos]

Verify canary release

• I verified that the issue exists in the latest Turborepo canary release.

Link to code that reproduces this issue

create-turbo

Which canary version will you have in your reproduction?

latest

Enviroment information

$ turbo info
turbo 2.3.0

CLI:
   Version: 2.3.0
   Daemon status: Running
   Package manager: pnpm

Platform:
   Architecture: x86_64
   Operating system: linux
   WSL: false
   Available memory (MB): 42298
   Available CPU cores: 16

Environment:
   CI: None
   Terminal (TERM): xterm-256color
   Terminal program (TERM_PROGRAM): vscode
   Terminal program version (TERM_PROGRAM_VERSION): 1.94.2
   Shell (SHELL): /bin/bash
   stdin: false

Expected behavior

no allowing running watch without a task

Actual behavior

$ turbo watch
turbo 2.3.0

• Packages in scope: @repo/eslint-config, @repo/typescript-config, @repo/ui, docs, web
• Running  in 5 packages
• Remote caching disabled

To Reproduce

run turbo watch

Additional context

No response