build(deps): bump sphinxcontrib-spelling from 7.4.1 to 7.5.0

Bumps [sphinxcontrib-spelling](https://github.com/sphinx-contrib/spelling) from 7.4.1 to 7.5.0.
- [Release notes](https://github.com/sphinx-contrib/spelling/releases)
- [Commits](sphinx-contrib/spelling@7.4.1...7.5.0)

---
updated-dependencies:
- dependency-name: sphinxcontrib-spelling
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements_docs.txt

@@ -2,4 +2,4 @@ insegel==1.3.1
 mistune==0.8.4
 sphinx==5.0.0
 sphinxcontrib-openapi==0.7.0
-sphinxcontrib-spelling==7.4.1
+sphinxcontrib-spelling==7.5.0