Update Xstatic-angular version in ``requirements.txt``
As horizon already migrated to Xstatic-angular version 1.8.2.2
from 1.5.8.0 by patch This patch updates xstatic-angular
version in ``requirements.txt``.
@@ -46,7 +46,7 @@ requests>=2.25.1 # Apache-2.0
six>=1.16.0 # MIT
semantic-version>=2.3.1 # BSD
XStatic>=1.0.0 # MIT License
-XStatic-Angular>=1.5.8.0 # MIT License
+XStatic-Angular>=1.8.2.2 # MIT License
XStatic-Angular-Bootstrap>=2.2.0.0 # MIT License
XStatic-Angular-FileUpload>=12.0.4.0 # MIT License
XStatic-Angular-Gettext>=2.3.8.0 # MIT License
