Bump hsqldb from 1.8.0.10 to 2.7.1 in /modules/core

Bumps hsqldb from 1.8.0.10 to 2.7.1.

---
updated-dependencies:
- dependency-name: org.hsqldb:hsqldb
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index 9913700..9206234 100644
--- a/modules/core/pom.xml
+++ b/modules/core/pom.xml
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
-            <version>1.8.0.10</version>
+            <version>2.7.1</version>
             <scope>test</scope>
         </dependency>