ci(mcp): render and deploy task definition to ECS

[germangarces]

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• I have added information to docs/ if required so people know about the feature.
• I have filled in the "Changes" section below.
• I have filled in the "How did you test this code" section below.

Changes

Contributes to https://github.com/Flagsmith/pulumi/issues/235

Add AWS Task Definitions and a CD pipeline to deploy the new MCP server.

How did you test this code?

Not tested yet. I'll perform a end-to-end test once this PR is merged.

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3 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs	Ignored		Jun 5, 2026 8:59am
flagsmith-frontend-preview	Ignored		Jun 5, 2026 8:59am
flagsmith-frontend-staging	Ignored		Jun 5, 2026 8:59am

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.52%. Comparing base (1946ec5) to head (39a4074).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #7716    +/-   ##
========================================
  Coverage   98.52%   98.52%            
========================================
  Files        1444     1445     +1     
  Lines       54971    55083   +112     
========================================
+ Hits        54161    54273   +112     
  Misses        810      810            

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