feat: add custom dial options to grpc connection

[HaimKortovich]

Adds the possibility to provide custom dial option for the grpc connection

Definition of Ready

• I am happy with the code
• Short description of the feature/issue is added in the pr description
• PR is linked to the corresponding user story
• Acceptance criteria are met
• All open todos and follow ups are defined in a new ticket and justified
• Deviations from the acceptance criteria and design are agreed with the PO and documented.
• No debug or dead code
• My code has no repetitions
• Critical parts are tested automatically
• Where possible E2E tests are implemented
• Documentation/examples are up-to-date
• All non-functional requirements are met
• Functionality of the acceptance criteria is checked manually on the dev system.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 0.00%. Comparing base (891b673) to head (4557d8e).

Files	Patch %	Lines
pkg/client/zitadel/client.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #325   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files         76      76           
  Lines      77377   77382    +5     
=====================================
- Misses     77377   77382    +5     

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[github-actions]

🎉 This PR is included in version 2.2.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[livio-a]

@HaimKortovich thanks for adding that possibility.
If you like to get a gift from us, please write an email to hi@zitadel.com