Upgrade to Java 21

.github/workflows/maven.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v2
       with:
         java-version: '21'

ChestsPlusPlus_1_21_R1/pom.xml

@@ -59,7 +59,7 @@
             <plugin>
                 <groupId>net.md-5</groupId>
                 <artifactId>specialsource-maven-plugin</artifactId>
-                <version>1.2.3</version>
+                <version>2.0.3</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -93,8 +93,8 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>16</source>
-                    <target>16</target>
+                    <source>21</source>
+                    <target>21</target>
                 </configuration>
             </plugin>
         </plugins>

ChestsPlusPlus_Main/pom.xml

@@ -167,7 +167,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.22</version>
+            <version>1.18.32</version>
             <scope>provided</scope>
         </dependency>
 
@@ -182,7 +182,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.5.3</version>
                 <configuration>
                     <createDependencyReducedPom>false</createDependencyReducedPom>
                     <artifactSet>

ChestsPlusPlus_Main/src/main/resources/lang/en_GB.properties

@@ -1,4 +1,4 @@
-# Chests++ Language File (Version 2.9-Release)
+# Chests++ Language File (Version 2.12-Release)
 # NOTE: This file gets replaced when the plugin launches! If you want to make modifications create a copy first!
 # To create a new language file simply create a copy of this file and rename it to your desired choice for example 'en_US.properties'
 # It should be located in the 'lang' folder

pom.xml

@@ -10,8 +10,8 @@
     <packaging>pom</packaging>
 
     <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 
     <modules>