Add a 'ci' command alias equivalent to 'install --frozen-lockfile'

[mchv]

What does this PR do?

This adds a new command ci similar to npm ci which is an alias for install --frozen-lockfile. The associated changes try to limit new code to handle this alias, I have added specific comments below.

fixes #5283

• Documentation or TypeScript types (it's okay to leave the rest blank in this case)
• Code changes

How did you verify your code works?

• I wrote one automated test

• I tested locally

• I checked the lifetime of memory allocated to verify it's (1) freed and (2) only freed when it should be

• I included a test for the new code, or an existing test covers it

• JSValue used outside outside of the stack is either wrapped in a JSC.Strong or is JSValueProtect'ed

• I wrote TypeScript/JavaScript tests and they pass locally (bun-debug test test-file-name.test)

[mchv]

This ArgsIterator struct comes from cli file and maybe it should be extracted to be reused instead of copied but it is the first copy and code is pretty simple so I don't know if it is worth yet.