[gimp/f17] (7 commits) ...bump release

[Nils Philippsen]

Summary of changes:

  203e522... fix upstream commit ids (*)
  b8b4b2a... fix double-free crashes when selecting gradients from scrip (*)
  0b7bfd7... fix crash in unsharp-mask plug-in (#966987) (*)
  a5e5934... hardcode python interpreter in python plug-ins (#952227) (*)
  cf2bc24... fix crash when selecting text with multiple colors etc. (#9 (*)
  6b3cc13... don't crash upon not applying a color profile to a grayscal (*)
  623f021... bump release (*)

(*) This commit already existed in another branch; no separate mail sent