Add changelog file.

diff --git a/doc/build/changelog/unreleased_13/5045.rst b/doc/build/changelog/unreleased_13/5045.rst
new file mode 100644 (file)
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+++ b/doc/build/changelog/unreleased_13/5045.rst
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+.. change::
+    :tags: bug, mssql
+    :tickets: 5045
+
+    Fixed issue where a timezone-aware ``datetime`` value being converted
+    to string (for use as a parameter value of a ``datetimeoffset``
+    column) was omitting the fractional seconds.