Add limit to Sphinx < 5.2.0 until autoapi incompatibilities are fixed (…

…#26670)

The new (released 2 days ago) Sphinx 5.2.0 introduced deprecation
for he way properties are documented and sphinx-autoapi needs
to catch-up with it. Until that, we limit Sphinx to < 5.2.0

Tracked in readthedocs/sphinx-autoapi#352

(cherry picked from commit ba96604)

setup.py

@@ -270,7 +270,11 @@ def write_version(filename: str = str(AIRFLOW_SOURCES_ROOT / "airflow" / "git_ve
     'sphinx-copybutton',
     'sphinx-jinja>=2.0',
     'sphinx-rtd-theme>=0.1.6',
-    'sphinx>=4.4.0',
+    # Spinx 5.2.0 introduced deprecation for property documentation and autoapi 1.9.0 generates
+    # documentation that uses the old way of documenting it. This is tracked in
+    # https://github.com/readthedocs/sphinx-autoapi/issues/352 of autoapi and until it is solved
+    # we need to limit Sphinx to <5.2.0
+    'sphinx>=4.4.0,<5.2.0',
     'sphinxcontrib-httpdomain>=1.7.0',
     'sphinxcontrib-redoc>=1.6.0',
     'sphinxcontrib-spelling>=7.3',