Update junit5 monorepo to v5.9.3
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index 351259e..186cd29 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -73,7 +73,7 @@
     <google-java-format.version>1.15.0</google-java-format.version>
     <inject-resources.version>0.3.2</inject-resources.version>
     <jetbrains-annotations.version>24.0.1</jetbrains-annotations.version>
-    <junit-jupiter.version>5.9.2</junit-jupiter.version>
+    <junit-jupiter.version>5.9.3</junit-jupiter.version>
     <nullaway.version>0.10.10</nullaway.version>
     <xz.version>1.9</xz.version>
   </properties>