chore(deps): update dependency vl-convert-python to v1.8.0

Author: renovate[bot]

Pipfile

@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-vl-convert-python = "==1.7.0"
+vl-convert-python = "==1.8.0"
 
 [dev-packages]
 pytest = "*"