ci: Fix auto-release (#1071)

Author: mtrezza

.github/workflows/release-publish.yml

@@ -1,10 +1,9 @@
 name: release-publish
 on:
-  workflow_dispatch:
-    inputs:
-      tag:
-        default: ''
-        description: 'Version tag (dart-#.#.# or flutter-#.#.#):'
+  push:
+    tags:
+      - "dart-[0-9]+.[0-9]+.[0-9]+*"
+      - "flutter-[0-9]+.[0-9]+.[0-9]+*"
   workflow_call:
     inputs:
       dart_tag:
@@ -16,12 +15,14 @@ on:
         type: string
         description: 'Flutter package version tag (flutter-#.#.#)'
 env:
-  # Resolve tags for both workflow_dispatch and workflow_call
-  dart_tag_resolved: ${{ inputs.dart_tag || (startsWith(inputs.tag, 'dart-') && inputs.tag || '') }}
-  flutter_tag_resolved: ${{ inputs.flutter_tag || (startsWith(inputs.tag, 'flutter-') && inputs.tag || '') }}
+  # For tag push: extract from github.ref_name
+  # For workflow_call: use inputs
+  package: ${{ startsWith(github.ref_name, 'dart-') && 'dart' || startsWith(github.ref_name, 'flutter-') && 'flutter' || '' }}
+  dart_tag_resolved: ${{ inputs.dart_tag || (startsWith(github.ref_name, 'dart-') && github.ref_name || '') }}
+  flutter_tag_resolved: ${{ inputs.flutter_tag || (startsWith(github.ref_name, 'flutter-') && github.ref_name || '') }}
 jobs:
   pub-publish-dart:
-    if: inputs.dart_tag != '' || startsWith(inputs.tag, 'dart-')
+    if: inputs.dart_tag != '' || startsWith(github.ref_name, 'dart-')
     runs-on: ubuntu-latest
     timeout-minutes: 10
     permissions:
@@ -49,7 +50,7 @@ jobs:
         run: dart pub publish --force
 
   pub-publish-flutter:
-    if: inputs.flutter_tag != '' || startsWith(inputs.tag, 'flutter-')
+    if: inputs.flutter_tag != '' || startsWith(github.ref_name, 'flutter-')
     runs-on: ubuntu-latest
     timeout-minutes: 10
     permissions:
@@ -85,7 +86,7 @@ jobs:
         run: dart pub publish --force
 
   docs-publish-dart:
-    if: inputs.dart_tag != '' || startsWith(inputs.tag, 'dart-')
+    if: inputs.dart_tag != '' || startsWith(github.ref_name, 'dart-')
     needs: pub-publish-dart
     runs-on: ubuntu-latest
     timeout-minutes: 15
@@ -108,7 +109,7 @@ jobs:
           destination_dir: dart
 
   docs-publish-flutter:
-    if: inputs.flutter_tag != '' || startsWith(inputs.tag, 'flutter-')
+    if: inputs.flutter_tag != '' || startsWith(github.ref_name, 'flutter-')
     needs: pub-publish-flutter
     runs-on: ubuntu-latest
     timeout-minutes: 15