Add blog post for Cake 2.1.0 (cake-build#2401)

* (build) Updated Cake tool to version 2.1.0

* v2.1.0 Blog Post

* Update input/blog/2022-02-19-cake-v2.1.0-released.md

Co-authored-by: Pascal Berger <pascal.berger@gmail.com>

* Update input/blog/2022-02-19-cake-v2.1.0-released.md

Co-authored-by: Pascal Berger <pascal.berger@gmail.com>

Co-authored-by: Pascal Berger <pascal.berger@gmail.com>

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "cake.tool": {
-      "version": "2.0.0",
+      "version": "2.1.0",
       "commands": [
         "dotnet-cake"
       ]

input/blog/2022-02-19-cake-v2.1.0-released.md

@@ -0,0 +1,68 @@
+---
+title: Cake v2.1.0 released
+category: Release Notes
+author: augustoproiete
+releaseName: 2.1.0
+---
+
+Version **2.1.0** of Cake has been released. Take it for a spin and give us feedback on our [discussion board](https://github.com/cake-build/cake/discussions/3818).
+
+This release includes new features, improvements and bug fixes to both [Cake Scripting](/docs/running-builds/runners/dotnet-tool) and [Cake Frosting](/docs/running-builds/runners/cake-frosting) since the [Cake v2.0.0 release](/blog/2021/11/cake-v2.0.0-released)! 🚀 🍰
+
+### Highlights of this release
+
+- New aliases for using `dotnet format` and `dotnet sdk` in Cake builds
+- New alias for the Chocolatey Export command
+- `XmlTransform` now supports XSL arguments
+- Several improvements to GitHub Actions, including support for the `DownloadArtifact` command
+- Generic interface `IPath<T>` for easier code reuse
+- Build log now displays the relative path of addin assemblies being loaded
+- Invidual duration of tasks is now shown on `Verbose` builds
+
+### Contributors
+
+This release was made possible thanks to the [Cake team](/docs/team/) and the contribution of these awesome members of the [Cake community](/community/thanks/) listed below:
+
+- [augustoproiete](https://github.com/augustoproiete)
+- [bjorkstromm](https://github.com/bjorkstromm)
+- [deqenq](https://github.com/deqenq)
+- [devlead](https://github.com/devlead)
+- [GeertvanHorrik](https://github.com/GeertvanHorrik)
+- [gep13](https://github.com/gep13)
+- [Marusyk](https://github.com/Marusyk)
+- [nils-a](https://github.com/nils-a)
+- [twenzel](https://github.com/twenzel)
+
+Full details of everything that was included in this release can be seen below.
+
+<!--excerpt-->
+
+### Issues
+
+As part of this release we had [27 issues](https://github.com/cake-build/cake/milestone/84?closed=1) closed.
+
+__Feature__
+
+- [__#3771__](https://github.com/cake-build/cake/issues/3771) Add support for the Chocolatey Export command.
+- [__#3480__](https://github.com/cake-build/cake/issues/3480) Add alias for dotnet sdk check command.
+- [__#3479__](https://github.com/cake-build/cake/issues/3479) Add alias for dotnet format command.
+- [__#2524__](https://github.com/cake-build/cake/issues/2524) XmlTransform support for xsl arguments.
+
+__Improvement__
+
+- [__#3778__](https://github.com/cake-build/cake/issues/3778) Add GitHub Actions DownloadArtifact command.
+- [__#3777__](https://github.com/cake-build/cake/issues/3777) GitHub Actions UploadArtifact command should accept relative paths.
+- [__#3776__](https://github.com/cake-build/cake/issues/3776) Introduce IPath<T> interface for easier code reuse.
+- [__#3769__](https://github.com/cake-build/cake/issues/3769) Update Microsoft.NETCore.Platforms to 6.0.1.
+- [__#3764__](https://github.com/cake-build/cake/issues/3764) Add missing GitHub Actions environment info.
+- [__#3760__](https://github.com/cake-build/cake/issues/3760) Update Spectre.Console to 0.43.0.
+- [__#3758__](https://github.com/cake-build/cake/issues/3758) Update Autofac to 6.3.0.
+- [__#3756__](https://github.com/cake-build/cake/issues/3756) Update NuGet.* to 6.0.0.
+- [__#3733__](https://github.com/cake-build/cake/issues/3733) Show relative path of addin assemblies that are being loaded.
+- [__#2746__](https://github.com/cake-build/cake/issues/2746) Add duration of a task.
+
+__Bug__
+
+- [__#3794__](https://github.com/cake-build/cake/issues/3794) VS2022 BuildTools are not found by the logic introduced in #3775.
+- [__#3772__](https://github.com/cake-build/cake/issues/3772) VSTest Alias does not work when only VS 2022 Preview is installed.
+- [__#3743__](https://github.com/cake-build/cake/issues/3743) SemVersion class crashes if compared to `null`.