fix(aws-dataprocessing-mcp-server): fix AWS EMR and AWS Athena MCP tool with proper tagging and add annotated type to all data processing MCP tool input arg

[LiyuanLD]

Summary

Changes

• Fixed Tag issue for AWS Athena tool
• Fixed Tag issue AWS EMR tool
• Fix tool input arguments with Annotated type for all data processing tool

User experience

Before the change

• Resource tag was incorrectly applied or not applied for AWS EMR mcp managed resource
• Resource tag was incorrectly applied or not applied for AWS Athena mcp managed resource

After this change

• Resource tag is properly managed for AWS EMR tool and Athena tool

Checklist

If your change doesn't seem to apply, please leave them unchecked.

• I have reviewed the contributing guidelines
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented

Is this a breaking change? (Y/N)
N

RFC issue number: #614

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of the project license.

[codecov]

Codecov Report

Attention: Patch coverage is 94.95798% with 6 lines in your changes missing coverage. Please review.

Project coverage is 88.40%. Comparing base (70269e0) to head (7c76653).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...cp_server/handlers/emr/emr_ec2_instance_handler.py	77.77%	0 Missing and 4 partials ⚠️
...g_mcp_server/handlers/emr/emr_ec2_steps_handler.py	85.71%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #798      +/-   ##
==========================================
- Coverage   88.42%   88.40%   -0.03%     
==========================================
  Files         551      514      -37     
  Lines       37435    34847    -2588     
  Branches     5820     5525     -295     
==========================================
- Hits        33102    30805    -2297     
+ Misses       2763     2605     -158     
+ Partials     1570     1437     -133     

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