feat(mcp): add dapr mcp client + bump protos

[sicoyle]

Description

ignore me - will fill this in tomorrow and address a few todo comments i left for myself as i was going through things

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

❌ Patch coverage is 66.50083% with 202 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.76%. Comparing base (bffb749) to head (9dc3565).
⚠️ Report is 125 commits behind head on main.

Files with missing lines	Patch %	Lines
.../_durabletask/internal/orchestrator_service_pb2.py	1.61%	61 Missing ⚠️
...rkflow/_durabletask/internal/history_events_pb2.py	3.44%	56 Missing ⚠️
...orkflow/_durabletask/internal/orchestration_pb2.py	4.00%	24 Missing ⚠️
.../_durabletask/internal/orchestrator_actions_pb2.py	4.54%	21 Missing ⚠️
.../workflow/_durabletask/internal/attestation_pb2.py	42.85%	16 Missing ⚠️
ext/dapr-ext-workflow/dapr/ext/workflow/aio/mcp.py	44.00%	14 Missing ⚠️
.../dapr-ext-workflow/dapr/ext/workflow/mcp_schema.py	86.00%	7 Missing ⚠️
dapr/clients/grpc/_response.py	85.71%	1 Missing ⚠️
ext/dapr-ext-workflow/tests/test_mcp_client.py	99.36%	1 Missing ⚠️
ext/dapr-ext-workflow/tests/test_mcp_schema.py	98.96%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #997      +/-   ##
==========================================
- Coverage   86.63%   81.76%   -4.87%     
==========================================
  Files          84      144      +60     
  Lines        4473    13933    +9460     
==========================================
+ Hits         3875    11392    +7517     
- Misses        598     2541    +1943     

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