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](https://github.com/pytest-dev/pytest-cov/compare/v2.12.0...v2.12.1)

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

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

Pipfile.lock

@@ -71,10 +71,10 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:4db03ab5fc3340cf619dbc25e42c2cc3755154ce6009469766d7143d1fc2ee4e",
-                "sha256:8a398dfce302c13f14bab13e2b14fe385d32b73f4e4853b9bdfb64598baa1975"
+                "sha256:3c9a2d84354185d13213ff2640ec03d39168dbcd13648abc84fb13ca3b2e2761",
+                "sha256:d66a600e1602736a0f24f725a511b0e50d12eb18f54b31ec276d2c26a0a62c6a"
             ],
-            "version": "==2.5.6"
+            "version": "==2.5.7"
         },
         "attrs": {
             "hashes": [
@@ -156,10 +156,10 @@
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:8c501196e49fb9df5df43833bdb1e4328f64847763ec8a50703148b73784d581",
-                "sha256:d7eb1dea6d6a6086f8be21784cc9e3bcfa55872b52309bc5fad53a8ea444465d"
+                "sha256:833b26fb89d5de469b24a390e9df088d4e52e4ba33b01dc5e0e4f41b81a16c00",
+                "sha256:b142cc1dd1342f31ff04bb7d022492b09920cb64fed867cd3ea6f80fe3ebd139"
             ],
-            "version": "==4.0.1"
+            "version": "==4.5.0"
         },
         "iniconfig": {
             "hashes": [
@@ -305,11 +305,11 @@
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:8535764137fecce504a49c2b742288e3d34bc09eed298ad65963616cc98fd45e",
-                "sha256:95d4933dcbbacfa377bb60b29801daa30d90c33981ab2a79e9ab4452c165066e"
+                "sha256:261bb9e47e65bd099c89c3edf92972865210c36813f80ede5277dceb77a4a62a",
+                "sha256:261ceeb8c227b726249b376b8526b600f38667ee314f910353fa318caa01f4d7"
             ],
             "index": "pypi",
-            "version": "==2.12.0"
+            "version": "==2.12.1"
         },
         "regex": {
             "hashes": [