Use macos-latest and add manual dispatch for release workflow

Author: fmeunier

.github/workflows/release.yml

@@ -1,6 +1,7 @@
 name: Release FuseGenerator
 
 on:
+  workflow_dispatch:
   push:
     tags:
       - "fuse-generator-*"
@@ -10,7 +11,7 @@ permissions:
 
 jobs:
   release:
-    runs-on: macos-26
+    runs-on: macos-latest
 
     steps:
       - name: Check out source