Add more PostgreSQL cases

Following incorrect handling of:
 - PosgreSQL ==> postgresql
 - PostgresSQL ==> postgresql

Author: algonell

codespell_lib/data/dictionary.txt

@@ -45350,6 +45350,7 @@ posesses->possesses
 posessing->possessing
 posession->possession
 posessions->possessions
+PosgreSQL->PostgreSQL
 posgresql->PostgreSQL
 posibble->possible
 posibbly->possibly
@@ -45502,6 +45503,7 @@ postgresl->PostgreSQL
 postgreslq->PostgreSQL
 postgresq->PostgreSQL
 postgress->PostgreSQL
+PostgresSQL->PostgreSQL
 postgressql->PostgreSQL
 postgrsql->PostgreSQL
 posthomous->posthumous