fix: set correct main branch in ci.yml

[leynier]

No description provided.

[codecov]

Codecov Report

Merging #111 (7206e73) into develop (8b24de1) will decrease coverage by 0.35%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #111      +/-   ##
===========================================
- Coverage    50.35%   50.00%   -0.36%     
===========================================
  Files            9        9              
  Lines          282      280       -2     
===========================================
- Hits           142      140       -2     
  Misses         140      140              

Impacted Files	Coverage Δ
supabase/lib/storage/storage_bucket_api.py	40.00% <0.00%> (-0.85%)	⬇️
supabase/lib/client_options.py	100.00% <0.00%> (ø)

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