DXCDT-487: Rename scope to scopes in client_grant resource

[sergiught]

🔧 Changes

Renaming from scope to scopes to better indicate that the property is a list of strings.

📚 References

🔬 Testing

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

Merging #717 (1db16c1) into v1 (5e45776) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##               v1     #717   +/-   ##
=======================================
  Coverage   87.50%   87.51%           
=======================================
  Files          87       87           
  Lines       13225    13225           
=======================================
+ Hits        11573    11574    +1     
+ Misses       1248     1247    -1     
  Partials      404      404           

Impacted Files	Coverage Δ
internal/auth0/client/resource_grant.go	82.45% <100.00%> (+0.87%)	⬆️