Do not suggest passing IFormatProvider to certain Convert methods

[CollinAlpert]

Affected analyzer: SpecifyIFormatProviderAnalyzer
Affected diagnostic ID: CA1305

This PR prevents suggesting to pass an IFormatProvider to Convert.ToX methods where passing an IFormatProvider would change nothing.

Fixes #7154

[codecov]

Codecov Report

Attention: Patch coverage is 99.26290% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 96.47%. Comparing base (94749ce) to head (233b8d4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##             main    #7244     +/-   ##
=========================================
  Coverage   96.46%   96.47%             
=========================================
  Files        1432     1436      +4     
  Lines      342185   343191   +1006     
  Branches    11280    11295     +15     
=========================================
+ Hits       330100   331095    +995     
- Misses       9232     9238      +6     
- Partials     2853     2858      +5