Обсуждение: pgsql: Update copyright for 2021

Update copyright for 2021

Backpatch-through: 9.5

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/c09f6882d6f78bde26fcc1e1a3da11c274de596a

Modified Files
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COPYRIGHT               | 2 +-
doc/src/sgml/legal.sgml | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)