ci: scope release workflows to version tags

.github/workflows/release_dart.yml

@@ -22,7 +22,7 @@ name: Release Dart Binding
 on:
   push:
     tags:
-      - "*"
+      - "v*"
   pull_request:
     branches:
       - main
@@ -38,7 +38,16 @@ permissions:
   contents: read
 
 jobs:
+  validate:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Validate workflow definition
+        run: ruby -e 'require "yaml"; YAML.load_file(".github/workflows/release_dart.yml")'
+
   build:
+    if: github.event_name != 'pull_request'
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -92,6 +101,7 @@ jobs:
           path: bindings/dart/rust/target/${{ matrix.target }}/release/*opendal*
 
   combine-artifacts:
+      if: github.event_name != 'pull_request'
       needs: build
       runs-on: ubuntu-latest
       steps:

.github/workflows/release_python.yml

@@ -20,12 +20,7 @@ name: Release Python Binding
 on:
   push:
     tags:
-      - "*"
-  pull_request:
-    branches:
-      - main
-    paths:
-      - ".github/workflows/release_python.yml"
+      - "v*"
   workflow_dispatch:
 
 concurrency:

.github/workflows/release_rust.yml

@@ -22,7 +22,7 @@ name: Release Rust Packages
 on:
   push:
     tags:
-      - "*"
+      - "v*"
   pull_request:
     branches:
       - main
@@ -31,7 +31,16 @@ on:
   workflow_dispatch:
 
 jobs:
+  validate:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Validate workflow definition
+        run: ruby -e 'require "yaml"; YAML.load_file(".github/workflows/release_rust.yml")'
+
   publish:
+    if: github.event_name != 'pull_request'
     runs-on: ubuntu-latest
     permissions:
       id-token: write