add port types

[flaport]

Summary by Sourcery

Add port type specification to routing functions in the technology module

Enhancements:

• Added port_type parameter to various routing function definitions
• Specified 'optical' or 'electrical' port types for different routing strategies

Chores:

• Updated gdsfactory dependency to version 9.5.5

[sourcery-ai]

Reviewer's Guide

This pull request introduces a port_type parameter to various routing function partials in tech.py and updates the gdsfactory dependency.

File-Level Changes

Change	Details	Files
Add port_type parameter to routing functions	Added port_type="optical" to optical routing function partials. Added port_type="electrical" to metal routing function partials.	cspdk/si220/tech.py
Update gdsfactory dependency	Bumped gdsfactory version from 9.5.0 to 9.5.5.	pyproject.toml

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[sourcery-ai]

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