Bump pytest-cov from 2.12.1 to 3.0.0

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 2.12.1 to 3.0.0.
- [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@v2.12.1...v3.0.0)

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

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

requirements-test.txt

@@ -79,7 +79,7 @@ click==7.0 \
     # via
     #   -r requirements.txt
     #   flask
-coverage==6.0 \
+coverage[toml]==6.0 \
     --hash=sha256:08fd55d2e00dac4c18a2fa26281076035ec86e764acdc198b9185ce749ada58f \
     --hash=sha256:11ce082eb0f7c2bbfe96f6c8bcc3a339daac57de4dc0f3186069ec5c58da911c \
     --hash=sha256:17983f6ccc47f4864fd16d20ff677782b23d1207bf222d10e4d676e4636b0872 \
@@ -345,9 +345,9 @@ pytest==6.2.5 \
     # via
     #   -r requirements-test.in
     #   pytest-cov
-pytest-cov==2.12.1 \
-    --hash=sha256:261bb9e47e65bd099c89c3edf92972865210c36813f80ede5277dceb77a4a62a \
-    --hash=sha256:261ceeb8c227b726249b376b8526b600f38667ee314f910353fa318caa01f4d7
+pytest-cov==3.0.0 \
+    --hash=sha256:578d5d15ac4a25e5f961c938b85a05b09fdaae9deef3bb6de9a6e766622ca7a6 \
+    --hash=sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470
     # via -r requirements-test.in
 python-dateutil==2.8.1 \
     --hash=sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c \
@@ -441,9 +441,11 @@ stevedore==3.2.0 \
 toml==0.10.1 \
     --hash=sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f \
     --hash=sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88
-    # via
-    #   pytest
-    #   pytest-cov
+    # via pytest
+tomli==1.2.1 \
+    --hash=sha256:8dd0e9524d6f386271a36b41dbf6c57d8e32fd96fd22b6584679dc569d20899f \
+    --hash=sha256:a5b75cb6f3968abb47af1b40c1819dc519ea82bcc065776a866e8d74c5ca9442
+    # via coverage
 urllib3==1.26.6 \
     --hash=sha256:39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4 \
     --hash=sha256:f57b4c16c62fa2760b7e3d97c35b255512fb6b59a259730f36ba32ce9f8e342f