Bump doccmd from 2026.1.31.3 to 2026.2.15

Bumps [doccmd](https://github.com/adamtheturtle/doccmd) from 2026.1.31.3 to 2026.2.15.
- [Release notes](https://github.com/adamtheturtle/doccmd/releases)
- [Changelog](https://github.com/adamtheturtle/doccmd/blob/main/CHANGELOG.rst)
- [Commits](adamtheturtle/doccmd@2026.01.31.3...2026.02.15)

---
updated-dependencies:
- dependency-name: doccmd
  dependency-version: 2026.2.15
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -56,7 +56,7 @@ optional-dependencies.dev = [
     "deptry==0.24.0",
     "dirty-equals==0.11",
     "doc8==2.0.0",
-    "doccmd==2026.1.31.3",
+    "doccmd==2026.2.15",
     "docker==7.1.0",
     "enum-tools[sphinx]==0.13.0",
     "freezegun==1.5.5",