Enable ClickHouse progress headers for long queries

[tudddorrr]

Long query visibility

• Enable send_progress_in_http_headers on the ClickHouse client so long-running queries report progress in HTTP headers
• Set the progress interval to 10 seconds via http_headers_progress_interval_ms to avoid excessive header noise

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.47%. Comparing base (91fefcc) to head (8a030b5).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1051      +/-   ##
===========================================
+ Coverage    98.46%   98.47%   +0.01%     
===========================================
  Files          485      485              
  Lines         7742     7742              
  Branches      1011     1011              
===========================================
+ Hits          7623     7624       +1     
  Misses          49       49              
+ Partials        70       69       -1     

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