Bump org.hsqldb:hsqldb from 2.7.3 to 2.7.4

Bumps org.hsqldb:hsqldb from 2.7.3 to 2.7.4.

---
updated-dependencies:
- dependency-name: org.hsqldb:hsqldb
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -69,7 +69,7 @@ org-eclipse-jetty-jetty-servlet = { module = "org.eclipse.jetty:jetty-servlet",
 org-eclipse-persistence-javax-persistence = "org.eclipse.persistence:javax.persistence:2.2.1"
 org-hamcrest = "org.hamcrest:hamcrest:2.2"
 org-hibernate-hibernate-entitymanager = "org.hibernate:hibernate-entitymanager:5.6.15.Final"
-org-hsqldb = "org.hsqldb:hsqldb:2.7.3"
+org-hsqldb = "org.hsqldb:hsqldb:2.7.4"
 org-jasig-cas-client-cas-client-core = "org.jasig.cas.client:cas-client-core:3.6.4"
 org-jetbrains-kotlin-kotlin-bom = { module = "org.jetbrains.kotlin:kotlin-bom", version.ref = "org-jetbrains-kotlin" }
 org-jetbrains-kotlin-kotlin-gradle-plugin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "org-jetbrains-kotlin" }