Bump iniconfig from 1.1.1 to 2.0.0 in /requirements (#20155)

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](https://github.com/pytest-dev/iniconfig/compare/v1.1.1...v2.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

requirements/tests.txt

@@ -10,9 +10,9 @@ execnet==1.9.0 \
     --hash=sha256:a295f7cc774947aac58dde7fdc85f4aa00c42adf5d8f5468fc630c1acf30a142 \
     --hash=sha256:8f694f3ba9cc92cab508b152dcfe322153975c29bda272e2fd7f3f00f36e47c5
 # iniconfig is required by pytest
-iniconfig==1.1.1 \
-    --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32 \
-    --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3
+iniconfig==2.0.0 \
+    --hash=sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3 \
+    --hash=sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374
 psutil==5.9.4 \
     --hash=sha256:16653106f3b59386ffe10e0bad3bb6299e169d5327d3f187614b1cb8f24cf2e1 \
     --hash=sha256:3d7f9739eb435d4b1338944abe23f49584bde5395f27487d2ee25ad9a8774a62 \