fix: pom.xml to reduce vulnerabilities (#1405)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMMICROSOFTSQLSERVER-13821835

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

Author: LadyCailin

pom.xml

@@ -248,7 +248,7 @@
 			<!-- NOTE: If you change this version, you also have to change the install-mssql-auth command to
 			download the corresponding version of the mssql-auth dll. This will also require users to re-install
 			it, so an upgrade routine will need to be released as well. -->
-			<version>12.6.1.jre11</version>
+			<version>12.6.5.jre8</version>
 		</dependency>
 
 		<!-- Yaml parsing -->