Fixes a build failure related to geoip. (opensearch-project#4005)

Signed-off-by: David Venable <[email protected]>

data-prepper-plugins/geoip-processor/src/test/java/org/opensearch/dataprepper/plugins/processor/databasedownload/LocalDBDownloadServiceTest.java

@@ -25,7 +25,7 @@ class LocalDBDownloadServiceTest {
     private LocalDBDownloadService downloadThroughLocalPath;
 
     @Test
-    void initiateDownloadTest() {
+    void initiateDownloadTest() throws IOException {
         createFolder(System.getProperty("java.io.tmpdir") + File.separator + "Maxmind");
         generateSampleFiles(srcDir, 5);