build: add tag with v for rc release (datreeio#673)

Co-authored-by: TzlilSwimmer123 <51244810+TzlilSwimmer123@users.noreply.github.com>

scripts/deploy_release_candidate.sh

@@ -12,10 +12,13 @@ else
     nextVersion=$(echo $latestRcTag | awk -F. '{$NF = $NF + 1;} 1' | sed 's/ /./g')
 fi
 
+v_release_tag=v$nextVersion
+
 export DATREE_BUILD_VERSION=$nextVersion-rc
 echo $DATREE_BUILD_VERSION
 
 git tag $DATREE_BUILD_VERSION -a -m "Generated tag from TravisCI for build $TRAVIS_BUILD_NUMBER"
+git tag $v_release_tag -a -m "Generated tag with v from TravisCI for build $TRAVIS_BUILD_NUMBER"
 git push --tags
 
 curl -sL https://git.io/goreleaser | GORELEASER_CURRENT_TAG=$DATREE_BUILD_VERSION GO_BUILD_TAG=staging VERSION=v$GORELEASER_VERSION bash