Updating markupsafe dependency for Jinja2

Change-Id: I1269464f8f6a6bdf851940c854c6c23ed897474f
Reviewed-on: https://review.couchbase.org/c/perfrunner/+/171004
Tested-by: Build Bot <build@couchbase.com>
Reviewed-by: vikas chaudhary <vikas.chaudhary@couchbase.com>

Author: vikas chaudhary

requirements.txt

@@ -18,6 +18,7 @@ google-cloud-compute==1.0.0
 google-cloud-storage==2.1.0
 isort==5.7.0
 jinja2==2.9.6
+MarkupSafe==2.0.1
 multidict==5.1.0
 nose==1.3.7
 numpy==1.19.4