chore: Add workflow to update the posthog.com repo with new posthog-js versions

[robbie-c]

Changes

Copy/paste the job to update the main repo.

posthog.com uses the snippet, but still uses the npm version for type info

Checklist

• Tests for new code (see advice on the tests we use)
• Accounted for the impact of any changes across different browsers
• Accounted for backwards compatibility of any changes (no breaking changes in posthog-js!)

[github-actions]

Size Change: 0 B

Total Size: 947 kB

ℹ️ View Unchanged

Filename	Size
dist/array.full.js	225 kB
dist/array.js	126 kB
dist/es.js	127 kB
dist/exception-autocapture.js	12.1 kB
dist/module.js	127 kB
dist/recorder-v2.js	105 kB
dist/recorder.js	105 kB
dist/surveys-module-previews.js	62 kB
dist/surveys.js	58.3 kB

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