Bump pytest-mock from 3.3.0 to 3.3.1 in /packages/service-library (#1759)

Bumps [pytest-mock](https://github.com/pytest-dev/pytest-mock) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/pytest-dev/pytest-mock/releases)
- [Changelog](https://github.com/pytest-dev/pytest-mock/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-mock@v3.3.0...v3.3.1)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

packages/service-library/requirements/_test.txt

@@ -24,9 +24,9 @@ docker-compose==1.26.2    # via pytest-docker
 docker[ssh]==4.3.1        # via docker-compose
 dockerpty==0.4.1          # via docker-compose
 docopt==0.6.2             # via coveralls, docker-compose
-idna-ssl==1.1.0           # via -r requirements/_base.txt, aiohttp
+idna-ssl==1.1.0           # via -r requirements/_base.txt
 idna==2.10                # via -r requirements/_base.txt, idna-ssl, requests, yarl
-importlib-metadata==1.7.0  # via -r requirements/_base.txt, jsonschema, pluggy, pytest
+importlib-metadata==1.7.0  # via -r requirements/_base.txt
 isodate==0.6.0            # via -r requirements/_base.txt, openapi-core
 isort==5.4.2              # via pylint
 jsonschema==3.2.0         # via -r requirements/_base.txt, docker-compose, openapi-spec-validator
@@ -51,7 +51,7 @@ pytest-aiohttp==0.3.0     # via -r requirements/_test.in
 pytest-cov==2.10.1        # via -r requirements/_test.in
 pytest-docker==0.8.0      # via -r requirements/_test.in
 pytest-instafail==0.4.2   # via -r requirements/_test.in
-pytest-mock==3.3.0        # via -r requirements/_test.in
+pytest-mock==3.3.1        # via -r requirements/_test.in
 pytest-runner==5.2        # via -r requirements/_test.in
 pytest-sugar==0.9.4       # via -r requirements/_test.in
 pytest==5.4.3             # via -r requirements/_test.in, pytest-aiohttp, pytest-cov, pytest-docker, pytest-instafail, pytest-mock, pytest-sugar
@@ -66,8 +66,7 @@ termcolor==1.1.0          # via pytest-sugar
 texttable==1.6.2          # via docker-compose
 toml==0.10.1              # via pylint
 trafaret==2.0.2           # via -r requirements/_base.txt
-typed-ast==1.4.1          # via astroid
-typing-extensions==3.7.4.3  # via -r requirements/_base.txt, aiohttp, yarl
+typing-extensions==3.7.4.3  # via -r requirements/_base.txt
 ujson==3.1.0              # via -r requirements/_base.txt
 urllib3==1.25.10          # via requests
 wcwidth==0.2.5            # via pytest