Accept streams when creating ClickHouse outputs

[simPod]

Summary

• Parse JSONEachRow output lazily from PSR streams.
• Widen format/output creation to accept streams as well as strings.
• Cover stream-backed JsonEachRow format output.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.99%. Comparing base (b0e049f) to head (852fba7).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #334      +/-   ##
==========================================
+ Coverage   94.49%   95.99%   +1.50%     
==========================================
  Files          42       42              
  Lines         817      824       +7     
==========================================
+ Hits          772      791      +19     
+ Misses         45       33      -12     

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