fix: sdk changed to 1.8

Author: DenzelCode

.DS_Store

@@ -6,8 +6,8 @@
     <artifactId>advancedsql</artifactId>
     <version>2.0.0</version>
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
 
     <repositories>