[Test] Fix POI version in packaging tests

POI version has not been updated in packaging tests in #25003.

Closes #27340

Author: tlrx

qa/vagrant/src/test/resources/packaging/tests/module_and_plugin_test_cases.bash

@@ -206,10 +206,10 @@ fi
 }
 
 @test "[$GROUP] install ingest-attachment plugin" {
-    # we specify the version on the poi-3.15.jar so that the test does
+    # we specify the version on the poi-3.16.jar so that the test does
     # not spuriously pass if the jar is missing but the other poi jars
     # are present
-    install_and_check_plugin ingest attachment bcprov-jdk15on-*.jar tika-core-*.jar pdfbox-*.jar poi-3.15.jar poi-ooxml-3.15.jar poi-ooxml-schemas-*.jar poi-scratchpad-*.jar
+    install_and_check_plugin ingest attachment bcprov-jdk15on-*.jar tika-core-*.jar pdfbox-*.jar poi-3.16.jar poi-ooxml-3.16.jar poi-ooxml-schemas-*.jar poi-scratchpad-*.jar
 }
 
 @test "[$GROUP] install ingest-geoip plugin" {