Bump c3p0 in /08-spring-rest/spring-crm-rest-demo

Bumps [c3p0](https://github.com/swaldman/c3p0) from 0.9.5.3 to 0.9.5.4. - [Release notes](https://github.com/swaldman/c3p0/releases) - [Commits](swaldman/c3p0@c3p0-0.9.5.3...c3p0-0.9.5.4) --- updated-dependencies: - dependency-name: com.mchange:c3p0 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

08-spring-rest/spring-crm-rest-demo/pom.xml

@@ -11,7 +11,7 @@
 <springframework.version>5.0.6.RELEASE</springframework.version>
 <hibernate.version>5.4.1.Final</hibernate.version>
 <mysql.connector.version>5.1.45</mysql.connector.version>
-<c3po.version>0.9.5.3</c3po.version>
+<c3po.version>0.9.5.4</c3po.version>
 
 <maven.compiler.source>1.8</maven.compiler.source>
 <maven.compiler.target>1.8</maven.compiler.target>