Adds note about python packages beta

Author: mikenomitch

src/content/partials/workers/python-workers-beta-packages.mdx

@@ -1,9 +1,10 @@
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 {}
-
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 :::caution[Python Workers are in beta. Packages do not run in production.]
 
-Currently, you can only deploy Python Workers that use the standard library. [Packages](/workers/languages/python/packages/#supported-packages) **cannot be deployed** and will only work in local development for the time being.
+Currently, you can only deploy Python Workers that use the standard library. [Packages](/workers/languages/python/packages/#supported-packages) **cannot be deployed** and will only work in local development.
+
+If you wish to join the closed beta which enables deploying packages, fill out [this form](https://forms.gle/827KAtKJTZdgAkNm7).
 :::