Move new windows release issue template from dotnet/release (#1147)

Author: MichaelSimons

.github/ISSUE_TEMPLATE/new-windows-release.md

@@ -0,0 +1,31 @@
+---
+name: ".NET Framework Docker Release - New Windows Version"
+about: "Checklist for releasing .NET Framework container images for new Windows major versions"
+title: ".NET Framework Container Images Release - New Windows Version - <new Windows version>"
+labels: docker
+assignees: lbussell
+---
+
+## Prep Tasks
+
+1. - [ ] Ensure a ["New Windows Release" issue](https://github.com/dotnet/docker-tools/blob/.github/ISSUE_TEMPLATE/releases/new-windows-release.md) exists for docker-tools repo
+1. - [ ] Update [manifest.json](https://github.com/microsoft/dotnet-framework-docker/blob/main/manifest.json) to include entries for the new images
+1. - [ ] Update [manifest.samples.json](https://github.com/microsoft/dotnet-framework-docker/blob/main/manifest.samples.json) to include the new Windows version for each of the samples
+1. - [ ] Update the test data for each of the [test classes](https://github.com/microsoft/dotnet-framework-docker/tree/main/tests/Microsoft.DotNet.Framework.Docker.Tests) to include the new Windows version
+1. - [ ] Run the `update-dependencies` tool to generate the new Dockerfiles and update all the necessary files:
+      - [ ] `dotnet run --project .\eng\update-dependencies`
+1. - [ ] Inspect generated changes for correctness
+1. - [ ] Test the images
+      1. - [ ] Create a local VM of the new Windows version
+      1. - [ ] Clone this repo with the above changes onto the VM
+      1. - [ ] Run `.\build-and-test.ps1 -OS windowsservercore-<VERSION>` to build and test your changes
+1. - [ ] Revert any modifications that were made to the 3.5/runtime Dockerfile to support local testing due to the lack of the https://dotnetbinaries.blob.core.windows.net/dockerassets/microsoft-windows.netfx3-<VERSION>.zip file.
+1. - [ ] Commit generated changes
+1. - [ ] Create PR
+1. - [ ] Get PR signoff. **Don't merge PR to main.**
+
+## Release Day Tasks
+
+1. - [ ] Create a [`microsoft-windows.netfx3-<VERSION>.zip](https://github.com/microsoft/dotnet-framework-docker/blob/1c3dd6638c6b827b81ffb13386b924f6dcdee533/3.5/runtime/windowsservercore-1909/Dockerfile#L11) file containing the .NET Fx 3.5 cab installer file and upload it to the [blob storage location](https://dotnetbinaries.blob.core.windows.net/dockerassets).
+1. - [ ] Release the images by following the [Servicing Release Checklist](https://github.com/dotnet/release/blob/main/.github/ISSUE_TEMPLATE/dotnet-fx-docker-servicing-release.md)
+1. - [ ] Create an announcement (example: [Windows Server, version 1909](https://github.com/microsoft/dotnet-framework-docker/issues/448))