Tagged release v1.26.0

4a7ca4bd fix:[#877] brokers btn show-more margins
46b01058 fix: add prozorro.sale in  ALLOWED_HOSTS
8f90cb11 feat: add marketing cav mapping in GTM data
0cef352b fix(partners): fix mistake in translation
962b6ec9 feat: add cache warming and changed clearing
71fa56ba fix(partners): fix random sorting for page with multiple plugins
5b368ae9 fix:[#750] footer delete border, change paddinng section mobile media
45b0a130 fix:[#851] row lider wiith video
92dce7c3 fix:[#852] firefox height tag <br>
dd68eb3d fix: clear placeholder cache issue: #763
2e03db90 fix: fix migrations tests
1a3fc299 fix(CardGridCarousel): remove StylesModelMixin from forms
c724cd5f fix(SlidedRow): add title field to plugin
49b114ad fix(CardGridCarousel): add description field to plugin, increase text length for cards