MNT: Bump synphotses

[pllim]

Triple play!

• https://github.com/spacetelescope/pysynphot/releases/tag/1.0.1
• https://github.com/spacetelescope/synphot_refactor/releases/tag/1.1.0
• https://github.com/spacetelescope/stsynphot_refactor/releases/tag/1.1.0

People will want to use these with astropy 4.3 that is coming out soon.