build: update release to override existing jars if needed

Author: germanattanasio

.releaserc

@@ -8,7 +8,13 @@
     [
       "@semantic-release/exec",
       {
-        "prepareCmd": "bumpversion --current-version ${lastRelease.version} --new-version ${nextRelease.version} --verbose --allow-dirty patch"
+        "prepareCmd": "bumpversion --current-version ${lastRelease.version} --new-version ${nextRelease.version} --allow-dirty patch"
+      }
+    ],
+    [
+      "@semantic-release/exec",
+      {
+        "prepareCmd": "./gradlew clean shadowJar"
       }
     ],
     [

.travis.yml

@@ -43,7 +43,6 @@ jobs:
         - npm install @semantic-release/exec
         - npm install @semantic-release/git
       script:
-        - ./gradlew shadowJar
         - npx semantic-release
 
     - stage: Publish javadoc

.utility/bintray-release.gradle

@@ -14,6 +14,7 @@ bintray {
     key =  System.getenv('BINTRAY_APIKEY')
     publications = ['maven']
     publish = true
+    override = true
     pkg {
         repo = 'ibm-cloud-sdk-repo'
         name = packageName