Add DelimitedFiles package and compat for it to packages #66039
Merged
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The plan is to move out DelimitedFiles from being an stdlib to being an external package. However, there is no compat on standard libraries. When people start using DelimitedFiles as a normal package, the lack of compat will be problematic.
As described in JuliaLang/julia#45540 (comment), this mirrors the compat for Julia to that of DelimitedFiles which should make sense for existing versions, new versions of packages pre 1.9 should have compat on DelimitedFiles that mirrors their Julia compat, packages only supporting 1.9+ are free to have any compat on DelimitedFiles.