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)

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Author: dependabot[bot]

08-spring-rest/solution-code-spring-crm-rest-demo-add-customer/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>