Fix bwc version (no SNAPSHOTs available anymore)

Signed-off-by: Andriy Redko <drreta@gmail.com>

Author: reta

bwc-test/build.gradle

@@ -76,15 +76,15 @@ loggerUsageCheck.enabled = false
 testingConventions.enabled = false
 validateNebulaPom.enabled = false
 
-String previousVersion = System.getProperty("bwc.version.previous", "2.11.1.0")
+String previousVersion = System.getProperty("bwc.version.previous", "2.11.0.0")
 String nextVersion = System.getProperty("bwc.version.next", "2.17.0.0")
 
 String bwcVersion = previousVersion
 String baseName = "customCodecsBwcCluster"
 String bwcFilePath = "src/test/resources/"
 String projectVersion = nextVersion
 
-String previousOpenSearch  = extractVersion(previousVersion) + "-SNAPSHOT";
+String previousOpenSearch  = extractVersion(previousVersion);
 String nextOpenSearch  = extractVersion(nextVersion) + "-SNAPSHOT";
 
 // Extracts the OpenSearch version from a plugin version string, 2.11.0.0 -> 2.11.0.