fix(otel): use DuplicatesStrategy.INCLUDE for otel agent shadow JAR

Shadow 9.x enforces duplicatesStrategy before transformers run, so
DuplicatesStrategy.FAIL prevents mergeServiceFiles from merging
inst/META-INF/services/ files that exist in both the upstream OTel
agent JAR and the isolated distro libs. Switching to INCLUDE lets
the transformer see all duplicates and merge them correctly.

Author: adinauer

sentry-opentelemetry/sentry-opentelemetry-agent/build.gradle.kts

@@ -150,7 +150,11 @@ tasks {
 
     archiveClassifier.set("")
 
-    duplicatesStrategy = DuplicatesStrategy.FAIL
+    // INCLUDE is required so that mergeServiceFiles can see duplicates from both the
+    // upstream agent JAR and the isolated distro libs before they are deduplicated.
+    // Shadow 9.x enforces duplicatesStrategy before transformers run, so FAIL/EXCLUDE
+    // would prevent service file merging.
+    duplicatesStrategy = DuplicatesStrategy.INCLUDE
 
     mergeServiceFiles { include("inst/META-INF/services/*") }
     exclude("**/module-info.class")