Bump sphinxcontrib-qthelp from 1.0.3 to 1.0.6 (#1790)

Bumps [sphinxcontrib-qthelp](https://github.com/sphinx-doc/sphinxcontrib-qthelp) from 1.0.3 to 1.0.6.
- [Release notes](https://github.com/sphinx-doc/sphinxcontrib-qthelp/releases)
- [Changelog](https://github.com/sphinx-doc/sphinxcontrib-qthelp/blob/1.0.6/CHANGES)
- [Commits](sphinx-doc/sphinxcontrib-qthelp@1.0.3...1.0.6)

---
updated-dependencies:
- dependency-name: sphinxcontrib-qthelp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

constraints.txt

@@ -198,7 +198,7 @@ sphinxcontrib-htmlhelp==2.0.1
     # via sphinx
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==1.0.6
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.9
     # via sphinx