Bump pytest in /{{cookiecutter.project_slug}}/backend (#128)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.0.1 to 6.1.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.0.1...6.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

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

Author: dependabot-preview[bot]

{{cookiecutter.project_slug}}/backend/requirements.txt

@@ -8,7 +8,7 @@ ipython==7.18.1
 itsdangerous==1.1.0
 Jinja2==2.11.2
 psycopg2==2.8.5
-pytest==6.0.1
+pytest==6.1.0
 requests==2.24.0
 SQLAlchemy==1.3.19
 starlette==0.13.8