Upgrade to com.oracle.database.jdbc:ojdbc8:21.7.0.0

Closes gh-2153

Author: rwinch

gradle/dependency-management.gradle

@@ -18,8 +18,8 @@ dependencyManagement {
 		dependency 'com.h2database:h2:2.1.214'
 		dependency 'com.ibm.db2:jcc:11.5.7.0'
 		dependency 'com.microsoft.sqlserver:mssql-jdbc:11.2.1.jre17'
-		dependency 'com.oracle.database.jdbc:ojdbc8:21.4.0.0.1'
-		dependency 'com.zaxxer:HikariCP:3.4.5'
+		dependency 'com.oracle.database.jdbc:ojdbc8:21.7.0.0'
+		dependency 'com.zaxxer:HikariCP:5.0.1'
 		dependency 'edu.umd.cs.mtc:multithreadedtc:1.01'
 		dependency 'io.lettuce:lettuce-core:6.1.6.RELEASE'
 		dependency 'jakarta.annotation:jakarta.annotation-api:2.0.0'