Bump c3p0

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)

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

Author: dependabot[bot]

07-spring-security-5/bonus-code-crm-with-security-in-memory-authentication/pom.xml

@@ -15,7 +15,7 @@
 
 		<hibernate.version>5.4.1.Final</hibernate.version>
         <mysql.connector.version>5.1.40</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>