Update build script to publish to maven local (#596)

Updates build script to publish zip to local maven. This allows plugins
like neural search to pick up the zip as a dependency.

Signed-off-by: John Mazanec <jmazane@amazon.com>

scripts/build.sh

@@ -101,6 +101,7 @@ make opensearchknn_faiss opensearchknn_nmslib
 cd $work_dir
 ./gradlew assemble --no-daemon --refresh-dependencies -DskipTests=true -Dopensearch.version=$VERSION -Dbuild.snapshot=$SNAPSHOT -Dbuild.version_qualifier=$QUALIFIER
 ./gradlew publishPluginZipPublicationToZipStagingRepository -Dopensearch.version=$VERSION -Dbuild.snapshot=$SNAPSHOT -Dbuild.version_qualifier=$QUALIFIER
+./gradlew publishPluginZipPublicationToMavenLocal -Dbuild.snapshot=$SNAPSHOT -Dbuild.version_qualifier=$QUALIFIER -Dopensearch.version=$VERSION
 
 # Add lib to zip
 zipPath=$(find "$(pwd)" -path \*build/distributions/*.zip)