chore: add typing annotations for zmq

[MikhailKardash]

Ticket

None

Description

Fix linting issue with mypy. zmq.Context is generic and needs a type. Adding the default type as referenced in zmq docs

Test Plan

lint-python passes

Checklist

• Changes have been manually QA'd
• User-facing API changes need the "User-facing API Change" label.
• Release notes should be added as a separate file under docs/release-notes/.
  See Release Note for details.
• Licenses should be included for new code which was copied and/or modified from any external code.

[netlify]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.32%. Comparing base (3105407) to head (d1a4d47).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9176      +/-   ##
==========================================
- Coverage   45.56%   40.32%   -5.24%     
==========================================
  Files        1188      625     -563     
  Lines      147293    94761   -52532     
  Branches     2428     2428              
==========================================
- Hits        67107    38212   -28895     
+ Misses      79963    56326   -23637     
  Partials      223      223              

Flag	Coverage Δ
harness	52.15% <100.00%> (-11.87%)	⬇️
web	35.55% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
harness/determined/ipc.py	36.77% <100.00%> (-32.53%)	⬇️

... and 626 files with indirect coverage changes