Update pom.xml for Java 21 and dependency changes

Author: tastybento

pom.xml

@@ -52,18 +52,18 @@
         <!-- Some JAVA encoding settings -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
 
-        <!-- SPIGOT API version -->
-        <spigot.version>1.21.3-R0.1-SNAPSHOT</spigot.version>
+        <!-- PAPER API version -->
+        <paper.version>1.21.11-R0.1-SNAPSHOT</paper.version>
 
         <!-- BentoBox API version -->
-        <bentobox.version>2.7.1-SNAPSHOT</bentobox.version>
+        <bentobox.version>3.10.0</bentobox.version>
 
         <!-- Revision variable removes warning about dynamic version -->
         <revision>${build.version}-SNAPSHOT</revision>
         <!-- This allows to change between versions and snapshots. -->
-        <build.version>1.15.0</build.version>
+        <build.version>1.16.0</build.version>
         <build.number>-LOCAL</build.number>
         <!-- Sonar Cloud -->
         <sonar.projectKey>BentoBoxWorld_ControlPanel</sonar.projectKey>
@@ -105,12 +105,8 @@
     <!-- Repositories contains links from were dependencies will be searched -->
     <repositories>
         <repository>
-            <id>spigot-repo</id>
-            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots</url>
-        </repository>
-        <repository>
-            <id>spigotmc-public</id>
-            <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
+            <id>papermc</id>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
         </repository>
         <repository>
             <id>bentoboxworld</id>
@@ -130,12 +126,12 @@
         </repository>
     </repositories>
 
-    <!-- Your addon must contain Spigot and BentoBox APIs dependencies. -->
+    <!-- Your addon must contain Paper and BentoBox APIs dependencies. -->
     <dependencies>
         <dependency>
-            <groupId>org.spigotmc</groupId>
-            <artifactId>spigot-api</artifactId>
-            <version>${spigot.version}</version>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>${paper.version}</version>
             <scope>provided</scope>
         </dependency>