fetch and reset master when running the bump

Author: faiq

.gitlab-ci.yml

@@ -60,6 +60,9 @@ predeploy:
     - git remote set-url origin https://faiqus:${CI_PUSH_TOKEN}@gitlab-odx.oracledx.com/cloudnative/oci-grafana-plugin.git
     - git config --global user.email "deploy@oracle.com"
     - git config --global user.name "deployboy"
+    - git fetch
+    - git checkout master
+    - git reset --hard origin/master
     - npm install
     - npm run bump
     - cat plugin.json | grep version |  cut -d':' -f2 | xargs | cut -d, -f1 >> ./dist/VERSION