[ci] Fix release script

Now the correct target commitish value should be used
when creating a draft release

.travis/build-deploy.sh

@@ -37,7 +37,7 @@ elif travis_isPush; then
         echo -e "\n\n"
 
         # create a draft github release
-        gh_releases_createDraftRelease "${TRAVIS_TAG}" "$(git show-ref --hash ${TRAVIS_TAG})"
+        gh_releases_createDraftRelease "${TRAVIS_TAG}" "$(git rev-list -n 1 ${TRAVIS_TAG})"
         GH_RELEASE="$RESULT"
 
         # Build and deploy to ossrh / maven-central

.travis/github-releases-api.sh

@@ -31,7 +31,7 @@ function gh_releases_createDraftRelease() {
     )
 
     log_debug "POST https://api.github.com/repos/pmd/pmd/releases"
-    log_info "Creating gihtub draft release"
+    log_info "Creating github draft release"
     RESULT=$(curl --fail -s -H "Authorization: token ${GITHUB_OAUTH_TOKEN}" \
                 -H "Content-Type: application/json" \
                 -X POST \