simde_info() reports the version, upstream repository, pinned commit, and
commit date for the bundled header-only SIMDe library.
Examples
simde_info()[c("version", "commit")]
#> $version
#> [1] "0.8.4"
#>
#> $commit
#> [1] "f3e8262173b7089db9a9d57a9ecef8dd07ad9c97"
#>