Fix: Add permission fix for opensearch-prometheus-exporter 3.6.0.0 build script

Author: Ethan Choe

o/opensearch-prometheus-exporter/opensearch-prometheus-exporter_3.6.0.0_ubi_9.6.sh

@@ -36,6 +36,8 @@ sudo dnf install -y java-25-openjdk-devel
 export JAVA_HOME=/usr/lib/jvm/java-25-openjdk
 export PATH="/usr/local/bin:$HOME/.local/bin:$JAVA_HOME/bin:$PATH"
 
+sudo chown -R test_user:test_user /home/tester
+
 # -------------------------------
 # Remove exiting repository (if exists)
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