打包用的 JDK 17 改为 1.8，兼容低版本

Author: TommyLemon

jitpack.yml

@@ -5,7 +5,7 @@
 
 	<groupId>apijson.column</groupId>
 	<artifactId>apijson-column</artifactId>
-	<version>2.1.0</version>
+	<version>2.1.5</version>
 	<packaging>jar</packaging>
 
 	<name>apijson-column</name>
@@ -14,10 +14,8 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>17</java.version>
+		<java.version>1.8</java.version>
 		<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
-		<maven.compiler.source>17</maven.compiler.source>
-		<maven.compiler.target>17</maven.compiler.target>
 	</properties>
 
 	<dependencies>
@@ -32,7 +30,7 @@
 		<dependency>
 			<groupId>com.github.Tencent</groupId>
 			<artifactId>APIJSON</artifactId>
-			<version>7.1.0</version>
+			<version>7.5.5</version>
 		</dependency>
 		<!-- 可使用 libs 目录的 apijson-orm.jar 来替代，两种方式二选一 >>>>>>>>>> -->
 
@@ -45,8 +43,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.12.1</version>
 				<configuration>
-					<source>17</source>
-					<target>17</target>
+					<source>1.8</source>
+					<target>1.8</target>
 				</configuration>
 			</plugin>
 		</plugins>