Update outdated library 'org.onap.logging-analytics:logging-slf4j'

Signed-off-by: Vasyl Razinkov <vasyl.razinkov@est.tech>
Change-Id: Ie00fad45a598dd493b57aefbfef6bdffae68bba2
Issue-ID: SDC-4450
diff --git a/pom.xml b/pom.xml
index 45dc13e..6888a94 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <mockito.version>2.26.0</mockito.version>
         <junit-jupiter.version>5.7.2</junit-jupiter.version>
-        <logging-slf4j.version>1.5.0</logging-slf4j.version>
+        <logging-slf4j.version>1.6.9</logging-slf4j.version>
         <maven-checkstyle-plugin.version>2.17</maven-checkstyle-plugin.version>
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>