Async callbacks test

[dani-garcia]

Type of change

- [ ] Bug fix
- [ ] New feature development
- [ ] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
- [ ] Build/deploy pipeline (DevOps)
- [ ] Other

Objective

Testing both sync and async callbacks with Uniffi, importantly this has a couple of restrictions:

• Uniffi needs to be updated to 0.27.x Update uniffi to 0.27.x for async traits support #756
• The traits that we want to be implemented externally need to be defined in the bitwarden-uniffi crate, this is a limitation of uniffi for the moment. In the tests I've duplicated the trait definition and then created a bridge to add compatibility with the original trait definition.

[github-actions]

Checkmarx One – Scan Summary & Details – b280ce51-7abf-42dc-aa90-935fbf816dfc

No New Or Fixed Issues Found

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 51 lines in your changes are missing coverage. Please review.

Project coverage is 61.49%. Comparing base (9fb1144) to head (f3d6a3b).

Files	Patch %	Lines
crates/bitwarden-uniffi/src/platform/passkeys.rs	0.00%	32 Missing ⚠️
crates/bitwarden/src/platform/passkeys.rs	0.00%	8 Missing ⚠️
crates/bitwarden/src/platform/client_platform.rs	0.00%	5 Missing ⚠️
crates/bitwarden-uniffi/src/error.rs	0.00%	3 Missing ⚠️
crates/bitwarden-uniffi/src/platform/mod.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                  @@
##           ps/update-uniffi     #757      +/-   ##
====================================================
- Coverage             61.78%   61.49%   -0.29%     
====================================================
  Files                   172      174       +2     
  Lines                 10921    10972      +51     
====================================================
  Hits                   6747     6747              
- Misses                 4174     4225      +51     

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