Bump iniconfig from 1.1.1 to 2.0.0 in /dependencies/python

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
...

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

dependencies/python/sqlfluff.txt

@@ -4,7 +4,7 @@ chardet==4.0.0
 click==8.1.3
 colorama==0.4.4
 diff-cover==6.5.0
-iniconfig==1.1.1
+iniconfig==2.0.0
 Jinja2==3.1.2
 MarkupSafe==2.1.1
 packaging==21.3