Ibm high vulnerability fix

provider/notification-ibm/pom.xml

@@ -55,18 +55,16 @@
         <groupId>io.undertow</groupId>
         <artifactId>undertow-websockets-jsr</artifactId>
       </dependency>
-      <dependency>
-            <groupId>io.netty</groupId>
-            <artifactId>netty-bom</artifactId>
-            <version>4.1.118.Final</version>
-            <type>pom</type>
-            <scope>import</scope>
-      </dependency>
 
     </dependencies>
   </dependencyManagement>
 
     <dependencies>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-handler</artifactId>
+            <version>4.1.118.Final</version>
+        </dependency>
 	    <dependency>
 	        <groupId>org.opengroup.osdu</groupId>
 	        <artifactId>os-core-lib-ibm</artifactId>
@@ -100,6 +98,12 @@
             <groupId>org.opengroup.osdu</groupId>
             <artifactId>notification-core</artifactId>
             <version>0.28.0-SNAPSHOT</version>
+            <exclusions>
+                    <exclusion>
+                        <groupId>io.netty</groupId>
+                        <artifactId>netty-handler</artifactId>
+                    </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
     		<groupId>org.springframework.security</groupId>