Bump iniconfig from 1.1.1 to 2.0.0 in /tests (#3411)

Bumps [iniconfig](https://github.com/pytest-dev/iniconfig) from 1.1.1 to 2.0.0.
- [Release notes](https://github.com/pytest-dev/iniconfig/releases)
- [Changelog](https://github.com/pytest-dev/iniconfig/blob/main/CHANGELOG)
- [Commits](pytest-dev/iniconfig@v1.1.1...v2.0.0)

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

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

Author: dependabot[bot]

tests/requirements.txt

@@ -245,9 +245,9 @@ idna==3.4 \
     # via
     #   -r requirements.txt
     #   requests
-iniconfig==1.1.1 \
-    --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3 \
-    --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32
+iniconfig==2.0.0 \
+    --hash=sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3 \
+    --hash=sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374
     # via
     #   -r requirements.txt
     #   pytest