Bump commons-dbcp2 from 2.2.0 to 2.7.0 in /core

Bumps commons-dbcp2 from 2.2.0 to 2.7.0.

Signed-off-by: dependabot[bot] <support@github.com>
Change-Id: I05bed95e785c1f95e27b44f010c4dde8ff09a6ce
diff --git a/core/pom.xml b/core/pom.xml
index 4e1e670..98be2ef 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -275,7 +275,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-dbcp2</artifactId>
-			<version>2.2.0</version>
+			<version>2.7.0</version>
 		</dependency>
 
 		<dependency>