Bump pytest-mock from 3.0.0 to 3.1.0 (#158)

Bumps [pytest-mock](https://github.com/pytest-dev/pytest-mock) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/pytest-dev/pytest-mock/releases)
- [Changelog](https://github.com/pytest-dev/pytest-mock/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-mock/compare/v3.0.0...v3.1.0)

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

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

Pipfile.lock

@@ -784,11 +784,11 @@
         },
         "pytest-mock": {
             "hashes": [
-                "sha256:98e02534f170e4f37d7e1abdfc5973fd4207aa609582291717f643764e71c925",
-                "sha256:a4494016753a30231f8519bfd160242a0f3c8fb82ca36e7b6f82a7fb602ac6b8"
+                "sha256:997729451dfc36b851a9accf675488c7020beccda15e11c75632ee3d1b1ccd71",
+                "sha256:ce610831cedeff5331f4e2fc453a5dd65384303f680ab34bee2c6533855b431c"
             ],
             "index": "pypi",
-            "version": "==3.0.0"
+            "version": "==3.1.0"
         },
         "pytoml": {
             "hashes": [