Move the Python 3.6 attention box to v3.8.3

Author: webknjaz

CHANGES.rst

@@ -13,6 +13,12 @@
 3.8.3 (2022-09-21)
 ==================
 
+.. attention::
+
+   This is the last :doc:`aiohttp <index>` release tested under
+   Python 3.6. The 3.9 stream is dropping it from the CI and the
+   distribution package metadata.
+
 Bugfixes
 --------
 
@@ -37,12 +43,6 @@ Bugfixes
    This release has some compatibility fixes for Python 3.11 but it may
    still have some quirks. Some tests are still flaky in the CI.
 
-.. attention::
-
-   This is the last :doc:`aiohttp <index>` release tested under
-   Python 3.6. The 3.9 stream is dropping it from the CI and the
-   distribution package metadata.
-
 Bugfixes
 --------