fix: use old jackson version

fix #86

Signed-off-by: Daniel Nägele <daniel@naegele.dev>

missilewars-plugin/pom.xml

@@ -82,19 +82,19 @@
             <version>0.5.1-SNAPSHOT</version>
         </dependency>
 
-        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
+        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-core</artifactId>
-            <version>2.14.2</version>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.12.4</version>
             <scope>compile</scope>
         </dependency>
 
-        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
+        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.dataformat/jackson-dataformat-yaml -->
         <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>2.14.2</version>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>2.12.4</version>
             <scope>compile</scope>
         </dependency>