fix(JS): Hardcode v7 script for pluggable integrations

[s1gr1d]

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follow-up for #10857

The checksums are taken from here: https://github.com/getsentry/sentry-release-registry/blob/master/packages/npm/%40sentry/browser/7.118.0.json

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Name	Status	Preview	Comments	Updated (UTC)
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[codecov]

Bundle Report

Changes will decrease total bundle size by 15 bytes ⬇️

Bundle name	Size	Change
sentry-docs-edge-server	255.36kB	3 bytes ⬇️
sentry-docs-server	9.54MB	6 bytes ⬇️
sentry-docs-client	8.18MB	6 bytes ⬇️