feat: migrate to Jackson 3.x (tools.jackson 3.2.1) per easy4j-deploy spec

Note: mvn test fails at test-compile due to pre-existing missing
org.junit.jupiter:junit-jupiter test dependency on this branch
(verified identical on unmodified baseline a4ac896); main compile
passes with Jackson 3.x.

Author: loong10k

pom.xml

@@ -48,7 +48,8 @@
         <commons-lang3.version>3.20.0</commons-lang3.version>
         <fastjson2.version>2.0.62</fastjson2.version>
         <guava.version>33.6.0-jre</guava.version>
-        <jackson.version>2.22.0</jackson.version>
+        <jackson.version>3.2.1</jackson.version>
+        <jackson-bom.version>3.2.1</jackson-bom.version>
         <junit-jupiter.version>6.1.0</junit-jupiter.version>
         <lombok.version>1.18.46</lombok.version>
         <okhttp.version>4.12.0</okhttp.version>
@@ -65,6 +66,14 @@
     <!-- 依赖版本统一管理（dependencyManagement） -->
     <dependencyManagement>
         <dependencies>
+            <!-- Jackson BOM -->
+            <dependency>
+                <groupId>tools.jackson</groupId>
+                <artifactId>jackson-bom</artifactId>
+                <version>${jackson-bom.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
             <!-- For Lombok -->
             <dependency>
                 <groupId>org.projectlombok</groupId>
@@ -78,12 +87,6 @@
                 <artifactId>slf4j-api</artifactId>
                 <version>${slf4j.version}</version>
             </dependency>
-            <!-- For Jackson -->
-            <dependency>
-                <groupId>com.fasterxml.jackson.core</groupId>
-                <artifactId>jackson-databind</artifactId>
-                <version>${jackson.version}</version>
-            </dependency>
             <!-- For OkHttp -->
             <dependency>
                 <groupId>com.squareup.okhttp3</groupId>
@@ -132,7 +135,7 @@
         </dependency>
         <!-- For Jackson -->
         <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
+            <groupId>tools.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
         </dependency>
         <!-- For OkHttp -->

src/main/java/io/agora/spring/boot/AgoraOkHttp3Template.java

@@ -16,7 +16,7 @@
 package io.agora.spring.boot;
 
 import com.alibaba.fastjson2.JSONObject;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import tools.jackson.databind.ObjectMapper;
 import io.agora.spring.boot.resp.AgoraResponse;
 import lombok.extern.slf4j.Slf4j;
 import okhttp3.*;

src/test/java/io/agora/spring/boot/AgoraOkHttp3TemplateTest.java

@@ -1,6 +1,7 @@
 package io.agora.spring.boot;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
+import tools.jackson.databind.ObjectMapper;
+import tools.jackson.databind.json.JsonMapper;
 import io.agora.spring.boot.resp.AgoraResponse;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
@@ -21,7 +22,7 @@ void setUp() {
         properties.setLoginKey("key");
         properties.setLoginSecret("secret");
         OkHttpClient client = new OkHttpClient();
-        ObjectMapper mapper = new ObjectMapper();
+        ObjectMapper mapper = new JsonMapper();
         template = new AgoraOkHttp3Template(client, mapper, properties);
     }