Bump postgresql driver from 42.6.0 to 42.7.8

Signed-off-by: Richard Ogin <rogin@users.noreply.github.com>
Signed-off-by: Tony Germano <tony@germano.name>
Signed-off-by: Mitch Gaffigan <mitch.gaffigan@comcast.net>

Author: rogin

donkey/.classpath

@@ -82,7 +82,7 @@
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="lib" path="lib/slf4j-log4j12-1.7.30.jar"/>
-	<classpathentry kind="lib" path="lib/database/postgresql-42.6.0.jar"/>
+	<classpathentry kind="lib" path="lib/database/postgresql-42.7.8.jar"/>
 	<classpathentry kind="lib" path="lib/xstream/xstream-1.4.20.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

donkey/lib/database/postgresql-42.6.0.jar

@@ -246,7 +246,7 @@
 	<classpathentry kind="lib" path="lib/donkey/slf4j-api-1.7.30.jar"/>
 	<classpathentry kind="lib" path="lib/donkey/slf4j-log4j12-1.7.30.jar"/>
 	<classpathentry kind="lib" path="lib/aws/metrics-spi-2.15.28.jar"/>
-	<classpathentry kind="lib" path="lib/database/postgresql-42.6.0.jar"/>
+	<classpathentry kind="lib" path="lib/database/postgresql-42.7.8.jar"/>
 	<classpathentry kind="lib" path="lib/extensions/doc/openhtmltopdf-core-1.0.9.jar"/>
 	<classpathentry kind="lib" path="lib/extensions/doc/openhtmltopdf-pdfbox-1.0.9.jar"/>
 	<classpathentry kind="lib" path="lib/extensions/doc/xmpbox-2.0.24.jar"/>