Apply #953 for v6: Stop using culture-specific string handling

[axunonb]

Apply #953 for v6

Resolves #792

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...erialization/DataTypes/RecurrenceRuleSerializer.cs	50.0%	1 Missing and 1 partial ⚠️
Ical.Net/Serialization/CalendarComponentFactory.cs	0.0%	0 Missing and 1 partial ⚠️

@@          Coverage Diff          @@
##            main    #954   +/-   ##
=====================================
  Coverage   71.4%   71.4%           
=====================================
  Files        118     118           
  Lines       4608    4608           
  Branches    1084    1084           
=====================================
  Hits        3292    3292           
  Misses       954     954           
  Partials     362     362           

Files with missing lines	Coverage Δ
Ical.Net/DataTypes/CalendarDataType.cs	48.3% <100.0%> (ø)
...l.Net/Serialization/DataTypes/WeekDaySerializer.cs	61.3% <100.0%> (ø)
Ical.Net/Serialization/EncodingProvider.cs	100.0% <100.0%> (ø)
Ical.Net/Serialization/CalendarComponentFactory.cs	85.0% <0.0%> (ø)
...erialization/DataTypes/RecurrenceRuleSerializer.cs	92.8% <50.0%> (ø)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud