use duckdb instead of sqlite

[shouples]

following the lead of

• Changed default @noteable data connector to use duckdb noteable-io/noteable-notebook-magics#37

TODO:

• check if the .index persists in duckdb or if it has to be re-set after filtering
  • it does not persist and has to be reset before registration

[codecov-commenter]

Codecov Report

Merging #52 (adb4b6f) into main (3edff12) will increase coverage by 8.29%.
The diff coverage is 96.18%.

@@            Coverage Diff             @@
##             main      #52      +/-   ##
==========================================
+ Coverage   79.01%   87.31%   +8.29%     
==========================================
  Files          19       19              
  Lines        1101     1088      -13     
==========================================
+ Hits          870      950      +80     
+ Misses        231      138      -93     

Impacted Files	Coverage Δ
src/dx/comms.py	60.00% <76.92%> (+30.37%)	⬆️
src/dx/utils/datatypes.py	92.02% <87.50%> (-1.23%)	⬇️
src/dx/formatters/main.py	88.50% <91.66%> (+2.63%)	⬆️
src/dx/filtering.py	100.00% <100.00%> (+79.36%)	⬆️
src/dx/settings.py	87.59% <100.00%> (+0.09%)	⬆️
src/dx/types.py	96.11% <100.00%> (+28.76%)	⬆️
src/dx/utils/date_time.py	73.68% <100.00%> (-21.06%)	⬇️
src/dx/utils/formatting.py	83.87% <100.00%> (+3.87%)	⬆️
src/dx/utils/geometry.py	79.54% <100.00%> (ø)
src/dx/utils/tracking.py	97.46% <100.00%> (+12.20%)	⬆️
... and 6 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 250f35a...adb4b6f. Read the comment docs.