add '-latest' to release tag for branches

Author: jordan-evens

.github/workflows/cmake-test.yml

@@ -264,7 +264,7 @@ jobs:
         uses: softprops/action-gh-release@v2
         with:
           name: "FireSTARR ${{ github.ref_name }}"
-          tag_name: ${{ github.ref_name }}
+          tag_name: ${{ github.ref_name }}${{ case( ${{ env.IS_PRERELEASE }},  '-latest', '' ) }}
           target_commitish: ${{ github.sha }}
           body: |
             **Hash:** ${{ github.sha }}