Update utils to get the new function

requirements.txt

@@ -35,25 +35,25 @@ notifications-python-client==5.7.1
 # PaaS
 awscli-cwlogs==1.4.6
 
-git+https://github.com/alphagov/notifications-utils.git@43.9.0#egg=notifications-utils==43.9.0
+git+https://github.com/alphagov/notifications-utils.git@43.9.1#egg=notifications-utils==43.9.1
 
 # gds-metrics requires prometheseus 0.2.0, override that requirement as 0.7.1 brings significant performance gains
 prometheus-client==0.9.0
 gds-metrics==0.2.4
 
 ## The following requirements were added by pip freeze:
-alembic==1.5.4
+alembic==1.5.5
 amqp==1.4.9
 anyjson==0.3.3
 attrs==20.3.0
-awscli==1.19.8
+awscli==1.19.14
 bcrypt==3.2.0
 billiard==3.3.0.23
 bleach==3.3.0
 blinker==1.4
 boto==2.49.0
-boto3==1.17.8
-botocore==1.20.8
+boto3==1.17.14
+botocore==1.20.14
 certifi==2020.12.5
 chardet==4.0.0
 click==7.1.2
@@ -66,7 +66,7 @@ geojson==2.5.0
 govuk-bank-holidays==0.8
 greenlet==1.0.0
 idna==2.10
-importlib-metadata==3.4.0
+importlib-metadata==3.6.0
 Jinja2==2.11.3
 jmespath==0.10.0
 kombu==3.0.37
@@ -86,10 +86,10 @@ python-dateutil==2.8.1
 python-editor==1.0.4
 python-json-logger==2.0.1
 pytz==2021.1
-PyYAML==5.3.1
+PyYAML==5.4.1
 redis==3.5.3
 requests==2.25.1
-rsa==4.5
+rsa==4.7.2
 s3transfer==0.3.4
 Shapely==1.7.1
 six==1.15.0