Add terraform provider support for new SCIM server api2 endpoints

[acwest]

🔧 Changes

• Add resource for SCIM configuration management
• Add data source for SCIM configuration management

📚 References

• PR for change in go-auth repo

🔬 Testing

1. Run unit tests to ensure that SCIM configuration is created correctly.
2. Manually create SCIM resources and data sources to ensure they function properly.
3. Verify in the UI that the SCIM configuration is properly created, read, updated, and deleted.

📝 Checklist

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

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 92.78846% with 15 lines in your changes missing coverage. Please review.

Project coverage is 90.28%. Comparing base (e3a495d) to head (ef28792).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #980      +/-   ##
==========================================
- Coverage   90.28%   90.28%   -0.01%     
==========================================
  Files         103      105       +2     
  Lines       13918    14126     +208     
==========================================
+ Hits        12566    12753     +187     
- Misses        961      975      +14     
- Partials      391      398       +7     

Files	Coverage Δ
internal/auth0/connection/expand.go	92.30% <100.00%> (+0.22%)	:arrow_up:
internal/auth0/connection/flatten.go	80.16% <100.00%> (+0.57%)	:arrow_up:
internal/provider/provider.go	100.00% <ø> (ø)
internal/schema/schema.go	100.00% <100.00%> (ø)
internal/auth0/connection/data_source_scim.go	89.28% <89.28%> (ø)
internal/auth0/connection/resource_scim.go	91.08% <91.08%> (ø)

... and 1 file with indirect coverage changes