dependabot PRs

Bump pytest-cov from 2.12.0 to 2.12.1

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 2.12.0 to 2.12.1.
- [Release notes](https://github.com/pytest-dev/pytest-cov/releases)
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v2.12.0...v2.12.1)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Bump uvicorn from 0.13.4 to 0.14.0

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.13.4 to 0.14.0.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.13.4...0.14.0)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements-server.txt

@@ -1,5 +1,5 @@
 fastapi==0.65.1
 maggma==0.28.0
-uvicorn==0.13.4
+uvicorn==0.14.0
 gunicorn[gevent]==20.1.0
 boto3==1.17.88

requirements-testing.txt

@@ -1,7 +1,7 @@
 pre-commit==2.13.0
 pytest==6.2.4
 pytest-asyncio==0.15.1
-pytest-cov==2.12.0
+pytest-cov==2.12.1
 pytest-mock==3.6.1
 pycodestyle==2.7.0
 flake8==3.9.2