Update `.NET 6.0` to `.NET 7.0`.

docs/en/Getting-Started-Setup-Environment.md

@@ -19,7 +19,7 @@ First things first! Let's setup your development environment before creating the
 
 The following tools should be installed on your development machine:
 
-* An IDE (e.g. [Visual Studio](https://visualstudio.microsoft.com/vs/)) that supports [.NET 6.0+](https://dotnet.microsoft.com/download/dotnet) development.
+* An IDE (e.g. [Visual Studio](https://visualstudio.microsoft.com/vs/)) that supports [.NET 7.0+](https://dotnet.microsoft.com/download/dotnet) development.
 {{ if UI != "Blazor" }}
 * [Node v16 or v18](https://nodejs.org/)
 * [Yarn v1.20+ (not v2)](https://classic.yarnpkg.com/en/docs/install) <sup id="a-yarn">[1](#f-yarn)</sup> or npm v6+ (already installed with Node)

docs/en/Tutorials/Todo/Index.md

@@ -16,7 +16,7 @@ You can find the source code of the completed application [here](https://github.
 
 ## Pre-Requirements
 
-* An IDE (e.g. [Visual Studio](https://visualstudio.microsoft.com/vs/)) that supports [.NET 6.0+](https://dotnet.microsoft.com/download/dotnet) development.
+* An IDE (e.g. [Visual Studio](https://visualstudio.microsoft.com/vs/)) that supports [.NET 7.0+](https://dotnet.microsoft.com/download/dotnet) development.
 * [Node v16.x](https://nodejs.org/)
 
 {{if DB=="Mongo"}}

docs/en/Tutorials/Todo/Single-Layer/Index.md

@@ -16,7 +16,7 @@ You can find the source code of the completed application [here](https://github.
 
 ## Pre-Requirements
 
-* An IDE (e.g. [Visual Studio](https://visualstudio.microsoft.com/vs/)) that supports [.NET 6.0+](https://dotnet.microsoft.com/download/dotnet) development.
+* An IDE (e.g. [Visual Studio](https://visualstudio.microsoft.com/vs/)) that supports [.NET 7.0+](https://dotnet.microsoft.com/download/dotnet) development.
 * [Node v16.x](https://nodejs.org/)
 
 {{if DB=="Mongo"}}

docs/zh-Hans/Getting-Started-Setup-Environment.md

@@ -19,7 +19,7 @@
 
 开发计算机上应安装以下工具:
 
-* 一个集成开发环境 (比如: [Visual Studio](https://visualstudio.microsoft.com/vs/)) 它需要支持 [.NET 6.0+](https://dotnet.microsoft.com/download/dotnet) 的开发.
+* 一个集成开发环境 (比如: [Visual Studio](https://visualstudio.microsoft.com/vs/)) 它需要支持 [.NET 7.0+](https://dotnet.microsoft.com/download/dotnet) 的开发.
 {{ if UI != "Blazor" }}
 * [Node v16 或 v18](https://nodejs.org/)
 * [Yarn v1.20+ (不是v2)](https://classic.yarnpkg.com/en/docs/install) <sup id="a-yarn">[1](#f-yarn)</sup> 或 npm v6+ (已跟随Node一起安装)