Updated workflow

Author: roberthawdon

.github/workflows/release.yml

@@ -7,6 +7,7 @@ on:
       - 'v*.*.*-alpha*'    # Alpha releases: v1.0.0-alpha, v1.0.0-alpha1
       - 'v*.*.*-beta*'     # Beta releases: v1.0.0-beta, v1.0.0-beta2
       - 'v*.*.*-rc*'       # Release candidates: v1.0.0-rc1, v1.0.0-rc10
+  workflow_dispatch:
 
 jobs:
   build-and-release: