Preparing to release python-oracledb 3.1.1.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -11,8 +11,8 @@ Release changes are listed as affecting Thin Mode (the default runtime behavior
 of python-oracledb), as affecting the optional :ref:`Thick Mode
 <enablingthick>`, or as being 'Common' for changes that impact both modes.
 
-oracledb 3.1.1 (TBD)
---------------------
+oracledb 3.1.1 (May 2025)
+-------------------------
 
 Thin Mode Changes
 +++++++++++++++++