GNOME Screenshot 3.26.0

- #787214 - App menu placed below header bar when Application Menu on the
  top panel of GNOME Shell is disabled [Cosimo Cecchi]
- #765941 - Add backbutton after screenshot [Daniel Byrne]
- #783442 - Cannot build gnome-screenshot with meson on FreeBSD
  because of -D_POSIX_C_SOURCE [Ting-Wei Lan]
- Translation updates:
  Friulan, Indonesian, German, Esperanto, Kazakh, Spanish, Slovenian,
  Croatian, Czech, Hungarian, Swedish, Polish, Galician, Turkish,
  Serbian, Finnish, Nepali, French, Lithuanian, Danish, Chinese (Taiwan),
  Latvian, Italian, Belarusian, Bulgarian, Slovak, Korean, Brazilian
  Portuguese, Basque, Dutch, Greek, Catalan, Icelandic, Persian,
  Catalan (Valencian), Chinese
This tag has no release notes.