Allow users to specify worker directory when running wrangler publish

[gabbifish]

💡 Feature request

Overview and problem statement

There are Wrangler users that may use workers in a monorepo; that is, they will have multiple generated workers in one repository. This means that, for actions like CI, wrangler publish may be run on a specific worker within a monorepo. This is a case where providing an optional path argument for wrangler publish may be useful.

Basic example

Include a basic code example of this new feature if possible. Omit this section if not applicable.
Let's say we have a repo with multiple generated workers directories:

.
├── a
└── b

If we want to deploy the worker in directory a from the root of this repo, we would run

$ wrangler publish a

If we are just deploying from a worker directory, the preexisting wrangler publish invocation should still work.

[EverlastingBugstopper]

+1

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This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

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