feat: Add support for multiple outputs in ConditionalRouter

[mdrazak2001]

Related Issues

• fixes Allow ConditionalRouter to have multiple outputs per condition #9238

Proposed Changes:

• updated output field valdation and input to allow multiple values

How did you test it?

• added unit tests
• fixed breaking tests in test_conditional_router.py

Notes for the reviewer

Checklist

• I have read the contributors guidelines and the code of conduct
• I have updated the related issue with new insights and changes
• I added unit tests and updated the docstrings
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test: and added ! in case the PR includes breaking changes.
• I documented my code
• I ran pre-commit hooks and fixed any issue

[coveralls]

Pull Request Test Coverage Report for Build 14643637788

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 93 unchanged lines in 11 files lost coverage.
• Overall coverage increased (+0.02%) to 90.519%

---

Files with Coverage Reduction	New Missed Lines	%
components/preprocessors/document_preprocessor.py	1	95.56%
components/generators/openai_dalle.py	3	93.48%
tools/serde_utils.py	3	92.5%
components/generators/azure.py	4	91.84%
components/generators/openai.py	4	95.74%
components/embedders/openai_text_embedder.py	6	88.68%
tools/tool.py	6	90.48%
components/tools/tool_invoker.py	9	90.44%
components/audio/whisper_remote.py	11	70.45%
components/routers/conditional_router.py	17	87.5%

Totals
Change from base Build 14532049680:	0.02%
Covered Lines:	10856
Relevant Lines:	11993

---

💛 - Coveralls

[sjrl]

Thanks!