ci: support manual release tag input

Allow workflow_dispatch release runs with explicit tag input and document the behavior in README.

Author: leehack

.github/workflows/release-binaries.yml

@@ -5,6 +5,11 @@ on:
     tags:
       - "v*"
   workflow_dispatch:
+    inputs:
+      tag:
+        description: "Release tag to publish (for example: v0.3.0)"
+        required: true
+        type: string
 
 permissions:
   contents: write
@@ -87,4 +92,5 @@ jobs:
       - name: Publish GitHub release assets
         uses: softprops/action-gh-release@v2
         with:
+          tag_name: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}
           files: dist/*

README.md

@@ -193,6 +193,9 @@ The repository includes ready workflows for CI and binary release publishing:
 - `.github/workflows/ci.yml`
 - `.github/workflows/release-binaries.yml`
 
+`release-binaries.yml` runs on pushed tags (`v*`) and also supports manual
+dispatch with a required `tag` input.
+
 ## Development
 
 ```bash