Fix wrong postfix for project version

Author: jvalkeal

.github/workflows/release-milestone.yml

@@ -46,7 +46,7 @@ jobs:
     - name: Configure Milestone Version
       run: |
         jfrog rt gradle milestoneVersion -PstatemachineMilestone=${{ github.event.inputs.milestone }}
-        echo PROJECT_VERSION=$(jfrog rt gradle "properties -q" | grep "version:" | awk '{print $2}')-${{ github.event.inputs.milestone }} >> $GITHUB_ENV
+        echo PROJECT_VERSION=$(jfrog rt gradle "properties -q" | grep "version:" | awk '{print $2}') >> $GITHUB_ENV
     # build and publish to staging repo.
     # we've allready tested with snapshots so no need to test
     # with a release build as we are not a release train.