Bump CsvHelper from 2.15.0.2 to 12.1.2
Bump CsvHelper from 2.15.0.2 to 12.1.2

Bumps [CsvHelper](https://github.com/JoshClose/CsvHelper) from 2.15.0.2 to 12.1.2.
- [Release notes](https://github.com/JoshClose/CsvHelper/releases)
- [Commits](https://github.com/JoshClose/CsvHelper/compare/2.15.0.2...12.1.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
AlanBarber/SubTextCVSToJekyll