[Eduard van Valkenburg (eavanvalkenburg)]

Motivation and Context

Prepares the Semantic Kernel Python package for the 1.46.0 release after the approved Python fixes were reconciled through the merge queue.

Description

Updates semantic_kernel.__version__ from 1.45.0 to 1.46.0.

Validated the publishable package with cd python && uv build --no-sources; it passed and produced:

• semantic_kernel-1.46.0.tar.gz
• semantic_kernel-1.46.0-py3-none-any.whl

The wheel metadata reports Version: 1.46.0.

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows the SK Contribution Guidelines and the pre-submission formatting script raises no violations
• All unit tests pass, and I have added new tests where possible
• I didn't break anyone 😄

[Copilot]

🟢 Approval recommended

No active review issues are reported for the Python package version bump to 1.46.0.

No open issues 🎉

What changed in this PR

Prepares the Semantic Kernel Python package for the 1.46.0 release.

Changes:

• Updates semantic_kernel.__version__ from 1.45.0 to 1.46.0, also updating the derived release-candidate version.

File	Description
python/​semantic_kernel/​__init__.py	Bumps the Python package version to 1.46.0.

_{Review effort: Balanced}