fix: release using github token

.travis.yml

@@ -4,16 +4,13 @@ script:
   - mvn --settings pom.xml org.codehaus.mojo:versions-maven-plugin:2.1:set -DnewVersion=${TRAVIS_TAG:-dev} 1>/dev/null 2>/dev/null 
   - mvn package
 
-before_deploy:
-  - ls -lR
-
 deploy:
   - provider: releases
-    api_key:
-      secure: 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
+    token: $GITHUB_TOKEN
     file: 
       - target/oba-$TRAVIS_TAG-jar-with-dependencies.jar
-      - README.md
     skip_cleanup: true
     on:
       tags: true
+    overwrite: true
+