chore(deps-dev): Bump doccmd from 2026.9.1 to 2026.9.7

Bumps [doccmd](https://github.com/adamtheturtle/doccmd) from 2026.9.1 to 2026.9.7.
- [Release notes](https://github.com/adamtheturtle/doccmd/releases)
- [Changelog](https://github.com/adamtheturtle/doccmd/blob/main/CHANGELOG.rst)
- [Commits](adamtheturtle/doccmd@2026.09.01...2026.09.07)

---
updated-dependencies:
- dependency-name: doccmd
  dependency-version: 2026.9.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -47,7 +47,7 @@ dev = [
     "check-manifest==0.51",
     "deptry==0.25.1",
     "doc8==2.0.0",
-    "doccmd==2026.9.1",
+    "doccmd==2026.9.7",
     "freezegun==1.5.5",
     "furo==2025.12.19",
     "interrogate==1.7.0",