Bump pytest from 4.4.1 to 7.0.1 in /perf-tests (#2425)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 4.4.1 to 7.0.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@4.4.1...7.0.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

perf-tests/requirements.txt

@@ -1,7 +1,7 @@
 PyYAML==6.0
 requests==2.27.1
 kubernetes==21.7.0
-pytest==4.4.1
+pytest==7.0.1
 ipaddress==1.0.23 # >= 1.0.17
 cffi==1.15.0
 certifi==2021.10.8