update

.github/workflows/build.yml

@@ -1,6 +1,12 @@
 name: Build Release
 
 on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version number (without v prefix)'
+        required: true
+        default: '1.0.0'
   push:
     tags:
       - 'v*'
@@ -31,10 +37,15 @@ jobs:
         with:
           python-version: '3.10'
           
-      - name: Get version from tag
+      - name: Get version
         id: get_version
         shell: bash
-        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+        run: |
+          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
+            echo "VERSION=${{ github.event.inputs.version }}" >> $GITHUB_ENV
+          else
+            echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+          fi
 
       - name: Make scripts executable (Unix)
         if: runner.os != 'Windows'