chore(deps): update pytest-cov requirement from <8,>=2 to >=7.1.0,<8 (#1885)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: William Bergamin <wbergamin@slack-corp.com>

Author: dependabot[bot]

requirements/testing.txt

@@ -4,7 +4,8 @@ aiohttp<3.11; python_version == "3.8"  # used for a WebSocket server mock
 aiohttp<4; python_version >= "3.9"  # used for a WebSocket server mock
 pytest>=7.0.1,<9
 pytest-asyncio<2  # for async
-pytest-cov>=2,<8
+pytest-cov>=4,<7.1.0; python_version < "3.9"
+pytest-cov>=7.1.0,<8; python_version >= "3.9"
 click==8.0.4  # black is affected by https://github.com/pallets/click/issues/2225
 psutil>=6.0.0,<8
 # cryptography 46+ dropped PyPy 3.10 wheels; pin to <46 for PyPy 3.10 only