Dependency management update

- including dependencies to pom.xml files only where they are used,
avoiding extra dependencies being added in all packages.

Issue-ID: POLICY-4945
Change-Id: I376ea0763190d55f254dc8f88b6fa5b89354e8b9
Signed-off-by: adheli.tavares <adheli.tavares@est.tech>
diff --git a/pom.xml b/pom.xml
index 5ebd052..710d05f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -84,6 +84,10 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
             <groupId>org.onap.policy.common</groupId>
             <artifactId>utils-test</artifactId>
             <version>${policy.common.version}</version>