DXCDT-366: Expand tenant data source

[sergiught]

🔧 Changes

This PR expands the current tenant data source to actually include all the tenant's attributes.

📚 References

• Support Terraform data sources #22

🔬 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

Base: 87.11% // Head: 87.09% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (640231f) compared to base (fa06923).
Patch coverage: 89.28% of modified lines in pull request are covered.

Additional details and impacted files

@@                      Coverage Diff                       @@
##           patch/DXCDT-360-tenant-pkg     #479      +/-   ##
==============================================================
- Coverage                       87.11%   87.09%   -0.03%     
==============================================================
  Files                              52       52              
  Lines                            9548     9554       +6     
==============================================================
+ Hits                             8318     8321       +3     
- Misses                            940      942       +2     
- Partials                          290      291       +1     

Impacted Files	Coverage Δ
internal/auth0/tenant/data_source.go	84.21% <89.28%> (-6.42%)	⬇️

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