Bump ujson from 3.0.0 to 3.1.0 in /packages/service-library

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](ultrajson/ultrajson@3.0.0...3.1.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

packages/service-library/requirements/_base.txt

@@ -11,9 +11,7 @@ aiozipkin==0.6.0          # via -r requirements/_base.in
 async-timeout==3.0.1      # via aiohttp
 attrs==19.3.0             # via -r requirements/_base.in, aiohttp, jsonschema, openapi-core
 chardet==3.0.4            # via aiohttp
-idna-ssl==1.1.0           # via aiohttp
-idna==2.9                 # via idna-ssl, yarl
-importlib-metadata==1.6.1  # via jsonschema
+idna==2.9                 # via yarl
 isodate==0.6.0            # via openapi-core
 jsonschema==3.2.0         # via -r requirements/_base.in, openapi-spec-validator
 lazy-object-proxy==1.4.3  # via -r requirements/_base.in, openapi-core
@@ -29,11 +27,9 @@ sqlalchemy[postgresql_psycopg2binary]==1.3.17  # via -r requirements/_base.in, a
 strict-rfc3339==0.7       # via openapi-core
 tenacity==6.2.0           # via -r requirements/_base.in
 trafaret==2.0.2           # via -r requirements/_base.in
-typing-extensions==3.7.4.2  # via aiohttp
-ujson==3.0.0              # via -r requirements/_base.in
+ujson==3.1.0              # via -r requirements/_base.in
 werkzeug==1.0.1           # via -r requirements/_base.in
 yarl==1.4.2               # via aiohttp
-zipp==3.1.0               # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools

packages/service-library/requirements/_test.txt

@@ -16,9 +16,7 @@ chardet==3.0.4            # via -r requirements/_base.txt, aiohttp, requests
 coverage==5.2             # via -r requirements/_test.in, coveralls, pytest-cov
 coveralls==2.1.1          # via -r requirements/_test.in
 docopt==0.6.2             # via coveralls
-idna-ssl==1.1.0           # via -r requirements/_base.txt, aiohttp
-idna==2.9                 # via -r requirements/_base.txt, idna-ssl, requests, yarl
-importlib-metadata==1.6.1  # via -r requirements/_base.txt, jsonschema, pluggy, pytest
+idna==2.9                 # via -r requirements/_base.txt, requests, yarl
 isodate==0.6.0            # via -r requirements/_base.txt, openapi-core
 isort==4.3.21             # via pylint
 jsonschema==3.2.0         # via -r requirements/_base.txt, openapi-spec-validator
@@ -53,15 +51,12 @@ tenacity==6.2.0           # via -r requirements/_base.txt
 termcolor==1.1.0          # via pytest-sugar
 toml==0.10.1              # via pylint
 trafaret==2.0.2           # via -r requirements/_base.txt
-typed-ast==1.4.1          # via astroid
-typing-extensions==3.7.4.2  # via -r requirements/_base.txt, aiohttp
-ujson==3.0.0              # via -r requirements/_base.txt
+ujson==3.1.0              # via -r requirements/_base.txt
 urllib3==1.25.9           # via requests
 wcwidth==0.2.5            # via pytest
 werkzeug==1.0.1           # via -r requirements/_base.txt
 wrapt==1.12.1             # via astroid
 yarl==1.4.2               # via -r requirements/_base.txt, aiohttp
-zipp==3.1.0               # via -r requirements/_base.txt, importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools