[C++] CSV date custom parser

[asfimport]

When I have a custom date format in CSV I'd like to parse it by adding additional DateParser, equivalent to TimestampParser which may be added to timestamp_parsers in ConvertOptions.

Reporter: Maciej / @mskrzypkowski
Watchers: Rok Mihevc / @rok

Related issues:

• [C++] Strptime issues umbrella (is a child of)

_{Note: This issue was originally created as ARROW-10847. Please see the migration documentation for further details.}

[asfimport]

Rok Mihevc / @rok:
Would creating custom a parser resolve this?

[github-actions]

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