chore: gitignore shade-generated dependency-reduced-pom.xml

Build artifact from maven-shade-plugin; should not be tracked.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: dfa1

.gitignore

@@ -6,3 +6,4 @@ native/*/src/main/resources/native/
 *.o
 .idea/
 *.iml
+dependency-reduced-pom.xml