[dependency]: Bump pytest from 7.2.2 to 7.4.2 in /explorer/rest

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.2.2 to 7.4.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.2.2...7.4.2)

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

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

explorer/rest/dev_requirements.txt

@@ -1,4 +1,4 @@
-pytest==7.2.2
+pytest==7.4.2
 pytest-aiohttp==1.0.4
 coverage>=6.3
 testing.postgresql==1.3.0