Bump zensical from 0.0.17 to 0.0.19 (#1079)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1 +1 @@
-zensical == 0.0.17
+zensical == 0.0.19