Update pom.xml

Author: SentryMan

tests/pom.xml

@@ -16,7 +16,7 @@
     <assertj.version>3.27.6</assertj.version>
     <jackson.version>2.20.1</jackson.version>
     <jex.version>3.3</jex.version>
-    <avaje-inject.version>12.0</avaje-inject.version>
+    <avaje-inject.version>12.1-RC3</avaje-inject.version>
     <helidon.version>4.3.2</helidon.version>
     <javalin.version>6.7.0</javalin.version>
   </properties>