Update copyright for 2023
Backpatch-through: 11
Branch
------
REL_11_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/ef3de5557687bdb60ab1a810c85a27094450f529
Modified Files
--------------
COPYRIGHT | 2 +-
doc/src/sgml/legal.sgml | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)