backport to java 8

Author: cliserkad

.github/workflows/default-tests.yml

@@ -31,7 +31,7 @@ jobs:
     needs: checkstyle
     strategy:
       matrix:
-        java_version: ['11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23']
+        java_version: ['8', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23']
 
     steps:
       - uses: actions/checkout@v4
@@ -64,7 +64,7 @@ jobs:
     needs: checkstyle
     strategy:
       matrix:
-        java_version: ['11']
+        java_version: ['8']
         maven_version: ['3.6.3', '3.8.8', '3.9.9', '4.0.0-alpha-13', '4.0.0-beta-5', '4.0.0-rc-2']
 
     steps:

pom.xml

@@ -47,7 +47,8 @@
         <propertiesEncoding>UTF-8</propertiesEncoding>
         <project.build.outputTimestamp>1719939498</project.build.outputTimestamp>
 
-        <java.target>11</java.target>
+		<maven.compiler.source>11</maven.compiler.source>
+		<maven.compiler.target>8</maven.compiler.target>
 
         <maven-plugin-api.version>3.9.6</maven-plugin-api.version>
         <maven-plugin-plugin.version>3.15.1</maven-plugin-plugin.version>