Use official connectRPC library for python env

[matthewlouisbrockman]

migrates python envd RPC generation to the official Connect RPC python plugin (js already uses the equivalent)

keeps packages/connect-python for now to avoid the codeql complaint, can remove that later as standalone.

main thing here: we got more tests in, but it doesn't have support for the proxy behavior we have so we needed to write a httpx wrapper instead of pyqwest so it may just defeat the purpose of using the real library.

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🦋 Changeset detected

Latest commit: 9d667ba

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@e2b/python-sdk	Minor

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PR Summary

High Risk
Replaces the SDK’s RPC transport/client stack (including streaming and timeouts) and bumps core deps (protobuf/new connectrpc), which can easily break runtime behavior across sync/async sandboxes.

Overview
Switches Python envd RPC generation and runtime from the in-repo e2b_connect implementation to the official connectrpc plugin/library, replacing generated *_connect.py clients and updating all sandbox filesystem/process call sites accordingly.

This drops e2b_connect entirely, adds connectrpc/pyqwest deps (and bumps protobuf), and introduces a custom httpx adapter plus new timeout/header handling to preserve existing proxy/streaming behavior; error mapping logic is also adjusted (including a fallback mapping UNKNOWN ENOENT messages to FileNotFoundException).

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Package Artifacts

Built from bac46a3. Download artifacts from this workflow run.

JS SDK (e2b@2.19.6-python-connect-rpc-migration.0):

npm install ./e2b-2.19.6-python-connect-rpc-migration.0.tgz

CLI (@e2b/cli@2.10.2-python-connect-rpc-migration.0):

npm install ./e2b-cli-2.10.2-python-connect-rpc-migration.0.tgz

Python SDK (e2b==2.21.0+python-connect-rpc-migration):

pip install ./e2b-2.21.0+python.connect.rpc.migration-py3-none-any.whl

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[matthewlouisbrockman]

alright, the bots are picking up on a ton of things that are clearly not in the test coverage... so i guess it's really want to fix the test coverage

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Cursor Bugbot has reviewed your changes and found 2 potential issues.

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