Xradarsat2

What's Changed
* precision nano seconds for the np.datetime64 values by agrouaze in https://github.com/umr-lops/xradarsat2/pull/15


**Full Changelog**: https://github.com/umr-lops/xradarsat2/compare/2023.05.16...2023.06.13

Remove BrowseImage.tiff from required file during the verification (because appears in requires but not use for processing)

rename the dimension "pixels" --> "pixel" to be more homogene

6th test pypi

fifth test pypi