fix(pom): okhttp3 升 5.4.0——与 okhttp3-extension 3.0.x.20260630 的编译基线对齐，统一全家桶消除 mockwebserver/okhttp 版本错配（CI 实证 TaskRunner NoSuchMethod）

Author: loong10k

pom.xml

@@ -48,7 +48,7 @@
         <jackson-bom.version>3.2.1</jackson-bom.version>
         <junit.version>5.11.4</junit.version>
         <lombok.version>1.18.46</lombok.version>
-        <okhttp3.version>4.12.0</okhttp3.version>
+        <okhttp3.version>5.4.0</okhttp3.version>
         <okhttp3-extension.version>3.0.x.20260630</okhttp3-extension.version>
         <slf4j.version>2.0.18</slf4j.version>