Log Message:
tex-pdfmanagement-testphase{,-doc}: update to 0.95x

0.95u
- pdf/A4 uses pdfaid:rev not pdfaid:year.
- setting of creationdate and moddate
- firstaid support for luacolor  (pdfmode)

0.95v
- l3pdffile: \pdffile_embed_stream:nnN to embed a stream without
  creating a named object.
- l3pdffile: default mime type of tex-files changed to application/x-tex.

0.95w
Added a schema declaration for xmpMM:OriginalDocumentID added to xmp-Metadata
(needed for some pdf/A documents)

0.95x
- regression data producer in xmp
- removed/reduced fontspec firstaid to avoid clash with new l3backend and with
  option parsing