Tests: Fix packaging tests after attachment plugin upgrade

The tests explicitely check for the version of some java dependencies
and thus needed to be fixed.

Relates elastic#27824

Author: spinscale

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-3.16.jar so that the test does
+    # we specify the version on the poi-3.17.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-3.16.jar poi-ooxml-3.16.jar poi-ooxml-schemas-*.jar poi-scratchpad-*.jar
+    install_and_check_plugin ingest attachment bcprov-jdk15on-*.jar tika-core-*.jar pdfbox-*.jar poi-3.17.jar poi-ooxml-3.17.jar poi-ooxml-schemas-*.jar poi-scratchpad-*.jar
 }
 
 @test "[$GROUP] install ingest-geoip plugin" {