enable gh-release action to push for only tagged releases

Author: warmwaffles

.github/workflows/linux-precompile.yml

@@ -73,8 +73,8 @@ jobs:
           mix deps.get
           mix elixir_make.precompile
 
-  #     - uses: softprops/action-gh-release@v1
-  #       if: startsWith(github.ref, 'refs/tags/')
-  #       with:
-  #         files: |
-  #           cache/*.tar.gz
+      - uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          files: |
+            cache/*.tar.gz