New upstream version 42.2.9

.github/pull_request_template.md

CHANGELOG.md

README.md

certdir/README.md

certdir/goodclient.p12

docs/_posts/2019-12-06-42.2.9-release.md

docs/documentation/92/query.md

docs/documentation/93/query.md

docs/documentation/94/query.md

docs/documentation/head/connect.md

docs/documentation/head/prepare.md

docs/documentation/head/query.md

docs/documentation/head/ssl-client.md

docs/documentation/head/ssl.md

packaging/rpm/postgresql-jdbc.spec.tpl

pgjdbc/pom.xml

pgjdbc/src/main/java/org/postgresql/Driver.java

pgjdbc/src/main/java/org/postgresql/PGConnection.java

pgjdbc/src/main/java/org/postgresql/PGProperty.java

...src/main/java/org/postgresql/copy/PGCopyOutputStream.java