build:对齐 1.0.x 分支 pom.xml 通用配置 (JDK 1.8)

Author: loong10k

pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"><modelVersion>4.0.0</modelVersion>
 <groupId>io.github.hiwepy</groupId><artifactId>faceplusplus-java-sdk</artifactId><version>3.0.x.20260527-SNAPSHOT</version><packaging>jar</packaging>
-<properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><java.version>21</java.version></properties>
+<properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><java.version>1.8</java.version></properties>
 <dependencies>
 <dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><version>1.18.30</version><scope>provided</scope></dependency>
 <dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>1.7.32</version></dependency>