fix(deps): update dependency @tgwf/co2 to ^0.18.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@tgwf/co2	^0.16.9 → ^0.18.0

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Release Notes

thegreenwebfoundation/co2.js (@​tgwf/co2)

v0.18.0

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Added

• Annual grid carbon intensity, renewable percentage, carbon free percentage data from Electricity Maps for the years 2021 - 2025.

Changed

• Default carbon estimation model is now the Sustainaable Web Design Model version 4.

v0.17.0

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Changed

• Add data and hosting subpath exports
• Add warning about switching default model to SWDMv4

Security

• Bump tar-fs from 2.1.3 to 2.1.4 by @​dependabot[bot] in #​265
• Bump js-yaml by @​dependabot[bot] in #​268

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