Set project.branch to development

While the JAR builds without this, the plugin will disable itelf on startup, accompanied by the following messages in console:

Invalid plugin version (branch has not been set).
To continue, set project branch to "development".
Running development code may result in data corruption.

pom.xml

@@ -4,7 +4,7 @@
   <artifactId>CoreProtect</artifactId>
   <version>22.4</version>
   <properties>
-    <project.branch></project.branch>
+    <project.branch>development</project.branch>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
   <build>
@@ -165,4 +165,4 @@
       <version>2.23.1</version>
     </dependency>
   </dependencies>
-</project>
+</project>