begin update to newer JDA

dependency-reduced-pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.fpghoti</groupId>
   <artifactId>Biscuit</artifactId>
-  <version>1.11</version>
+  <version>1.13</version>
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <resources>
@@ -13,20 +13,10 @@
       </resource>
     </resources>
     <plugins>
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.5.1</version>
-        <configuration>
-          <encoding>UTF-8</encoding>
-          <source>1.8</source>
-          <target>1.8</target>
-        </configuration>
-      </plugin>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
         <version>2.4</version>
         <configuration>
-          <encoding>UTF-8</encoding>
           <archive>
             <manifest>
               <mainClass>com.fpghoti.biscuit.Main</mainClass>
@@ -44,7 +34,6 @@
               <goal>shade</goal>
             </goals>
             <configuration>
-              <encoding>UTF-8</encoding>
               <minimizeJar>true</minimizeJar>
               <filters>
                 <filter>
@@ -96,13 +85,15 @@
   </repositories>
   <dependencies>
     <dependency>
-      <groupId>org.bukkit</groupId>
-      <artifactId>bukkit</artifactId>
-      <version>1.16.4-R0.1-SNAPSHOT</version>
+      <groupId>org.spigotmc</groupId>
+      <artifactId>spigot-api</artifactId>
+      <version>1.21.4-R0.1-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>
   <properties>
+    <maven.compiler.target>8</maven.compiler.target>
+    <maven.compiler.source>8</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
   </properties>