DXCDT-509: Adding auth0_connections export support

[willvedd]

🔧 Changes

Adding support for exporting connection Terraform resources when running the auth0 tf generate command. The output will appear like this:

import {
  id = "con_ZEPofWWVD0hkBcSP"
  to = auth0_connection.google-oauth2
}

import {
  id = "con_SOAPB8ZiGrIDDyh4"
  to = auth0_connection.Username-Password-Authentication
}

🔬 Testing

Adding unit tests. Manually verified.

📝 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

Patch coverage: 84.53% and project coverage change: +0.21% 🎉

Comparison is base (411bcda) 72.04% compared to head (9d28445) 72.25%.
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #797      +/-   ##
==========================================
+ Coverage   72.04%   72.25%   +0.21%     
==========================================
  Files          89       91       +2     
  Lines       11149    11343     +194     
==========================================
+ Hits         8032     8196     +164     
- Misses       2615     2643      +28     
- Partials      502      504       +2     

Files Changed	Coverage Δ
internal/cli/terraform.go	77.27% <77.27%> (ø)
internal/cli/root.go	90.90% <100.00%> (+0.06%)	⬆️
internal/cli/terraform_fetcher.go	100.00% <100.00%> (ø)

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