Quote workflow on keys for YAML compatibility

Author: maikebing

.github/workflows/build-demos.yml

@@ -1,6 +1,6 @@
 name: 构建 Demo 资产
 
-on:
+'on':
   push:
     branches: [main, develop, master]
     tags:

.github/workflows/build-native.yml

@@ -1,6 +1,6 @@
 name: 构建原生库资产
 
-on:
+'on':
   push:
     branches: [main, develop, master]
     paths-ignore:

.github/workflows/docs-pages.yml

@@ -1,6 +1,6 @@
 name: 发布 GitHub Pages 文档站点
 
-on:
+'on':
   push:
     branches: [main, develop, master]
     paths:

.github/workflows/nuget-publish.yml

@@ -1,6 +1,6 @@
 name: 协调打包与发布
 
-on:
+'on':
   push:
     branches: [main, develop, master]
     tags:

.github/workflows/pack-nuget.yml

@@ -1,6 +1,6 @@
 name: 打包 NuGet 资产
 
-on:
+'on':
   workflow_call:
     # inputs: 由上层协调工作流传入规范化版本号，用于生成所有 NuGet 包。
     inputs:

.github/workflows/prepare-release.yml

@@ -1,6 +1,6 @@
 name: 准备发布元数据
 
-on:
+'on':
   workflow_call:
     inputs:
       package_version:

.github/workflows/publish-release.yml

@@ -1,6 +1,6 @@
 name: 发布 NuGet 与 Release 资产
 
-on:
+'on':
   workflow_call:
     # inputs: 接收发布标签与发布目标开关，执行 Release / NuGet / GitHub Packages 发布。
     inputs: