Bump adventure to 4.8.0 (#4546)

pom.xml

@@ -238,27 +238,27 @@
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-text-serializer-gson</artifactId>
-            <version>4.7.0</version>
+            <version>4.8.0</version>
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-api</artifactId>
-            <version>4.7.0</version>
+            <version>4.8.0</version>
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-nbt</artifactId>
-            <version>4.7.0</version>
+            <version>4.8.0</version>
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-key</artifactId>
-            <version>4.7.0</version>
+            <version>4.8.0</version>
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-text-serializer-gson-legacy-impl</artifactId>
-            <version>4.7.0</version>
+            <version>4.8.0</version>
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>