Bump bwc 2.17

Signed-off-by: Finn Carroll <[email protected]>

build.gradle

@@ -267,7 +267,7 @@ Boolean bwcBundleTest = (project.findProperty('customDistributionDownloadType')
 When testing between major versions note that ONLY the latest minor release of the previous version is api compatible. 
 */
 
-String bwcVersion = "2.15.0.0"
+String bwcVersion = "2.17.0.0"
 String bwcVersionShort = bwcVersion.replaceAll(/\.0+$/, "")
 String nxtVersionShort = opensearch_version.replaceAll(/\.0+$/, "").replaceAll("-SNAPSHOT", "")