Bump pyyaml from 3.12 to 5.4 in /contrib/mmts/tests2

dependabot[bot] · web-flow · commit 90d294d18e72 · 2021-03-25T21:44:24.000Z
Bumps [pyyaml](https://github.com/yaml/pyyaml) from 3.12 to 5.4. - [Release notes](https://github.com/yaml/pyyaml/releases) - [Changelog](https://github.com/yaml/pyyaml/blob/master/CHANGES) - [Commits](yaml/pyyaml@3.12...5.4) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/contrib/mmts/tests2/requirements.txt b/contrib/mmts/tests2/requirements.txt
@@ -8,7 +8,7 @@ dockerpty==0.4.1
 docopt==0.6.2
 jsonschema==2.6.0
 psycopg2==2.7.3.1
-PyYAML==3.12
+PyYAML==5.4
 requests==2.11.1
 six==1.11.0
 texttable==0.9.1
