Log Message:
tex-pstricks{,-doc}: update to 3.13

3.12  2021-12-29
- added code for guessing box coordinates for pspicture
- added optional arguments showframe and calcframe

3.10a
- fix introduced bug in pstricks.pro

3.10
- move dot macros into a separate file pstricks-dots.tex
- use the internal Type1 version of PSTricksDotFont for latex
  and the OpenType version for lualatex
- fix for rotation with \rput
- fix for \uput and lualatex

3.08
- moved the color stuff into a separate file pstricks-colors
- added macros to get the color values without the color model name