Improve XLSX adapter

[JSCU-CNI]

This PR makes it easier to write records to an xlsx file. Each record descriptor gets its own sheet within the workbook and field values are sanitized to prevent openpyxl errors.

[codecov]

Codecov Report

Attention: Patch coverage is 31.94444% with 49 lines in your changes missing coverage. Please review.

Project coverage is 83.70%. Comparing base (b003b6c) to head (74e8a8d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
flow/record/adapter/xlsx.py	31.94%	49 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #137      +/-   ##
==========================================
- Coverage   83.90%   83.70%   -0.21%     
==========================================
  Files          34       34              
  Lines        3429     3485      +56     
==========================================
+ Hits         2877     2917      +40     
- Misses        552      568      +16     

Flag	Coverage Δ
unittests	83.70% <31.94%> (-0.21%)	⬇️

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[JSCU-CNI]

Good catch, thanks.