chore(deps): update dependency npm to v11.18.0

[renovate]

This PR contains the following updates:

Package	Update	Change	OpenSSF
npm (source)	minor	11.17.0 → 11.18.0

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Release Notes

npm/cli (npm)

v11.18.0

Compare Source

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Configuration

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[github-actions]

➖ Are we earthbuild yet?

No change in "earthly" occurrences

📈 Overall Progress

Branch	Total Count
main	7
This PR	7
Difference	+0

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Keep up the great work migrating from Earthly to Earthbuild! 🚀

💡 Tips for finding more occurrences

Run locally to see detailed breakdown:

./.github/scripts/count-earthly.sh

Note that the goal is not to reach 0.
There is anticipated to be at least some occurences of earthly in the source code due to backwards compatibility with config files and language constructs.