build(pom): manage jackson via jackson-bom 2.18.9 per easy4j-deploy spec (cleanup hardcoded versions)

Author: loong10k

pom.xml

@@ -61,7 +61,7 @@
         <!-- Dependency versions -->
         <commons-exec.version>1.6.0</commons-exec.version>
         <commons-lang.version>2.6</commons-lang.version>
-        <jackson.version>2.17.2</jackson.version>
+        <jackson-bom.version>2.18.9</jackson-bom.version>
         <java-websocket.version>1.6.0</java-websocket.version>
         <junit-jupiter.version>5.11.4</junit-jupiter.version>
         <junit.version>4.13.2</junit.version>
@@ -95,7 +95,7 @@
             <dependency>
                 <groupId>com.fasterxml.jackson</groupId>
                 <artifactId>jackson-bom</artifactId>
-                <version>${jackson.version}</version>
+                <version>${jackson-bom.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -141,11 +141,6 @@
                 <artifactId>junit-jupiter</artifactId>
                 <version>${junit-jupiter.version}</version>
             </dependency>
-            <!-- For Jackson -->
-            <dependency>
-                <groupId>com.fasterxml.jackson.core</groupId>
-                <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version></dependency>
         </dependencies>
     </dependencyManagement>