Update supabase-js to (hopefully) fix realtime issue

[felixgabler]

Update supabase-js to 2.47.0 to use accessToken callback for auth in realtime (supabase/supabase-js#1320)

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes (if not applicable, please state why)

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[felixgabler]

Wait to merge until supabase/supabase-js#1322 is resolved

[felixgabler]

Wait to merge until supabase/supabase-js#1322 is resolved

This was fixed and the realtime-js fix was also finally released, so this should be good to merge