ci: force local wheels via uv override in cross-tests

[radu-mocanu]

Summary

• cross-tests (uipath-langchain, uipath-integrations) now inject the freshly built wheels via uv override-dependencies instead of uv add, so a backward-compatible minor bump in uipath-python no longer fails the cross-test purely on the downstream version cap
• the new code is still exercised against the downstream repo, the version pin is just bypassed

Why

a minor bump (e.g. uipath 2.10 -> 2.11) is outside the downstream <2.11.0 cap, so uv add of the new wheel hits an unsatisfiable resolve and the cross-test fails before testing anything real. overriding decouples the cross-test from the pin while still running the actual new code.

[Copilot]

Pull request overview

This PR updates the downstream cross-test GitHub Actions workflows to force the freshly built local uipath-* wheels into uipath-langchain-python and uipath-integrations-python via a uv override mechanism, avoiding resolution failures caused solely by downstream version caps during backward-compatible minor bumps.

Changes:

• Replaces uv add ../wheels/.../*.whl with a step that generates an overrides file pointing at local wheel URIs and exports it via GITHUB_ENV.
• Applies the same override injection pattern across both unit-test and integration-test jobs for each downstream repo.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 6 comments.

File	Description
.github/workflows/test-uipath-langchain.yml	Generates and exports a uv overrides file to force local wheels for langchain cross-tests (unit + integration jobs).
.github/workflows/test-uipath-integrations.yml	Generates and exports a uv overrides file to force local wheels for integrations cross-tests (per-package tests + integration jobs).

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

🚨 Heads up: uipath-langchain cross-tests are FAILING 🚨

Your changes may break the uipath-langchain-python integration.

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