Adds docs for python_modules_excludes.

[dom96]

Summary

This documents the new python_modules_excludes option implemented in cloudflare/workers-sdk#10927.

Documentation checklist

• Is there a changelog entry (guidelines)? If you don't add one for something awesome and new (however small) — how will our customers find out? Changelogs are automatically posted to RSS feeds, the Discord, and X.
• The change adheres to the documentation style guide.
• [x ] If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/workers/wrangler/	@cloudflare/wrangler, @irvinebroque, @kodster28, @cloudflare/pcx-technical-writing, @cloudflare/workers-runtime-1

[github-actions]

Preview URL: https://0548c935.preview.developers.cloudflare.com
Preview Branch URL: https://dominik-python-modules-excludes.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/workers/wrangler/configuration/	https://dominik-python-modules-excludes.preview.developers.cloudflare.com/workers/wrangler/configuration/

[irvinebroque]

Are there default values for excludes that the reader should know about?

[dom96]

Currently by default there are no excludes

[dom96]

Just changed it to set the defaults to ["**/*.pyc"]