Update release information

Author: ronaldoussoren

docs/_templates/index.html

@@ -17,11 +17,7 @@ <h1>Introduction</h1>
   <tr valign="top">
     <td width="60%">
       <h1>Release information</h1>
-      <p><b>PyObjC 9.0.1</b> was released on 2022-12-19. See the
-         <a href="{{ pathto("changelog") }}">changelog</a> for more information.
-	 PyObjC 9 supports Python 3.7 and later.</p>
-
-      <p><b>PyObjC 9.1b1</b> was released on 2023-04-03. See the
+      <p><b>PyObjC 9.2</b> was released on 2023-05-29. See the
          <a href="{{ pathto("changelog") }}">changelog</a> for more information.
 	 PyObjC 9 supports Python 3.7 and later.</p>
 

docs/index.rst

@@ -16,9 +16,7 @@ in pure Python. See our tutorial for an example of this.
 Release information
 -------------------
 
-PyObjC 9.0.1 was released on 2022-12-19. See the :doc:`changelog <changelog>` for more information. PyObjC 9 supports Python 3.7 and later.
-
-PyObjC 9.1b1 was released on 2023-04-03. See the :doc:`changelog <changelog>` for more information. PyObjC 9 supports Python 3.7 and later.
+PyObjC 9.2 was released on 2023-05-29. See the :doc:`changelog <changelog>` for more information. PyObjC 9 supports Python 3.7 and later.
 
 PyObjC 8.5 is the last version supporting Python 3.6. PyObjC 5.3 is the last version supporting Python 2. These versions are
 no longer supported.