Update pytest requirement from <6.3,>=6.2 to >=6.2,<7.1

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.0...7.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: setup.py

@@ -129,7 +129,7 @@
     setup_requires=PYTEST_RUNNER,
     test_suite="tests",
     tests_require=[
-        "pytest >= 6.2, < 6.3",
+        "pytest >= 6.2, < 7.1",
         "mock >= 2.0.0",
         "pytest-mock >= 1.10.0",
         "arcp >= 0.2.0",

Diff for: test-requirements.txt

@@ -1,4 +1,4 @@
-pytest >= 6.2, < 6.3
+pytest >= 6.2, < 7.1
 pytest-xdist
 mock >= 2.0.0
 pytest-mock >= 1.10.0