[build] Include LICENSE file in published jar archives

Signed-off-by: Violeta Georgieva <696661+violetagg@users.noreply.github.com>

Author: violetagg

agent/build.gradle

@@ -39,6 +39,7 @@ shadowJar {
 
     exclude 'META-INF/versions/**'
     exclude 'META-INF/NOTICE'
+	exclude 'META-INF/LICENSE'
     exclude 'META-INF/licenses/'
     exclude 'META-INF/maven/**'
     exclude 'reactor/shaded/META-INF/**'