Bump the python-requirements group in /requirements with 2 updates

Bumps the python-requirements group in /requirements with 2 updates: [sphinx](https://github.com/sphinx-doc/sphinx) and [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy).


Updates `sphinx` from 7.2.5 to 7.2.6
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.2.5...v7.2.6)

Updates `sqlalchemy` from 2.0.20 to 2.0.21
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/main/CHANGES.rst)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-requirements
- dependency-name: sqlalchemy
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-requirements
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -99,7 +99,7 @@ requests==2.31.0
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.2.5
+sphinx==7.2.6
     # via
     #   -r docs.in
     #   pallets-sphinx-themes
@@ -126,7 +126,7 @@ sphinxcontrib-qthelp==1.0.6
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.9
     # via sphinx
-sqlalchemy==2.0.20
+sqlalchemy==2.0.21
     # via -r mypy.in
 tox==4.11.3
     # via -r dev.in

requirements/docs.txt

@@ -34,7 +34,7 @@ requests==2.31.0
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.2.5
+sphinx==7.2.6
     # via
     #   -r docs.in
     #   pallets-sphinx-themes

requirements/mypy.txt

@@ -18,7 +18,7 @@ pluggy==1.3.0
     # via pytest
 pytest==7.4.2
     # via -r mypy.in
-sqlalchemy==2.0.20
+sqlalchemy==2.0.21
     # via -r mypy.in
 typing-extensions==4.7.1
     # via