allow multiple rows in straight_heater_meander

[simbilod]

Fixed TODO in straight_heater_meander

    c = straight_heater_meander(
        straight_widths=(0.5,) * 7,
        taper_length=10,
        # taper_length=10,
        length=1000,
        # cross_section=gf.partial(gf.cross_section.strip, width=0.8),
    )
    c.show(show_ports=True)

EDIT: Is there a way for contributors to update gdslib and make the component tests pass in CI/CD?

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 0.66%.

Quality metrics	Before	After	Change
Complexity	7.65 ⭐	7.71 ⭐	0.06 👎
Method Length	252.00 ⛔	299.00 ⛔	47.00 👎
Working memory	27.65 ⛔	27.92 ⛔	0.27 👎
Quality	30.07% 😞	29.41% 😞	-0.66% 👎

Other metrics	Before	After	Change
Lines	201	226	25

Changed files	Quality Before	Quality After	Quality Change
gdsfactory/components/straight_heater_meander.py	30.07% 😞	29.41% 😞	-0.66% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
gdsfactory/components/straight_heater_meander.py	straight_heater_meander	8 ⭐	829 ⛔	29 ⛔	26.53% 😞	Try splitting into smaller methods. Extract out complex expressions

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[joamatab]

Awesome! thank you Simon!