Provisioning: Update jinja2 to 2.10.3

This makes sure we don't run into CVE-2019-10906 when using
jinja2 in QtIvis Autogenerator.

Change-Id: If51bf54bd26858c6b5faa3dd6a6627f2979b862d
Reviewed-by: Robert Griebl <robert.griebl@qt.io>
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>

coin/provisioning/common/shared/requirements.txt

@@ -9,7 +9,7 @@ argh==0.26.2
 click==6.7
 coloredlogs==10.0
 humanfriendly==4.15.1
-Jinja2==2.10
+Jinja2==2.10.3
 MarkupSafe==1.0
 path.py==11.0.1
 pathtools==0.1.2