fix: exporting SAML connections base64 encode the certificate

[kushalshit27]

🔧 Changes

Fix: exporting SAML connections base 64 encode the certificate

connections:
  - name: Sample-SAML-connection
    strategy: samlp
    options:
        ......... ... .. . . . . 
+      cert: <base64 encoded>
+      signingCert: <base64 encoded>
        ......... ... .. . . . . 

📚 References

• https://auth0.com/docs/api/management/v2/connections/get-connections-by-id
• https://auth0.com/docs/api/management/v2/connections/patch-connections-by-id

🔬 Testing

Test passed

📝 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

Attention: Patch coverage is 35.71429% with 9 lines in your changes missing coverage. Please review.

Project coverage is 80.20%. Comparing base (6e98caa) to head (cc6b9bd).

Files with missing lines	Patch %	Lines
src/context/directory/handlers/connections.ts	0.00%	4 Missing and 1 partial ⚠️
src/context/yaml/handlers/connections.ts	20.00%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1008      +/-   ##
==========================================
- Coverage   80.34%   80.20%   -0.14%     
==========================================
  Files         125      125              
  Lines        4548     4562      +14     
  Branches      877      884       +7     
==========================================
+ Hits         3654     3659       +5     
- Misses        529      535       +6     
- Partials      365      368       +3     

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