Обсуждение: pgsql: Update copyright for 2021

Update copyright for 2021

Backpatch-through: 9.5

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/f6704ac83e49b94a66fd7393cb19915447a5ad24

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