Update .NET, tag as AI sponsored (#1427)

Another Microsoft-controlled project. They hide behind a foundation but:

https://github.com/dotnet/runtime
- "Official Starting Page: https://dotnet.microsoft.com"
- "Security issues and bugs should be reported privately to the Microsoft Security Response Center"
- Patent license is granted by Microsoft.

https://dotnet.microsoft.com/en-us/
- Obvious from the URL
- "Discover your path to build apps with .NET on Microsoft Learn."
- "The world's top organizations are powered by .NET and trust Microsoft to make .NET the best choice in the industry for their mission critical software."

Part of !1347.

Reviewed-on: https://codeberg.org/ethical-foss/open-slopware/pulls/1427
Reviewed-by: Ethical FOSS admin <ethical-foss-admin@noreply.codeberg.org>

README.md

@@ -1715,7 +1715,7 @@ A desktop environment usually depends on a specific window manager to work.
 
 | Name | Last Untainted <br /> Version/Commit ID | Evidence | Alternative(s) |
 |---|:---:|---|---|
-| [.NET](https://dotnet.microsoft.com/) | [`v9.0.0`](https://github.com/dotnet/runtime/releases/tag/v9.0.0) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/dotnet/runtime/blob/main/.github/copilot-instructions.md), [2](https://github.com/dotnet/runtime/blob/main/.github/agents/agentic-workflows.agent.md), [3](https://github.com/dotnet/runtime/commit/128321e88e2c93d69766e15ad4f06bab70b753b7)) <br /> [![AI Code Reviews](./badges/ai-code-reviews-purple.svg)](#ai-code-reviews) ([1](https://github.com/dotnet/runtime/pull/116200)) | See below |
+| [.NET](https://dotnet.microsoft.com/) | [`v9.0.0`](https://github.com/dotnet/runtime/releases/tag/v9.0.0) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/dotnet/runtime/blob/main/.github/copilot-instructions.md), [2](https://github.com/dotnet/runtime/blob/main/.github/agents/agentic-workflows.agent.md), [3](https://github.com/dotnet/runtime/commit/128321e88e2c93d69766e15ad4f06bab70b753b7)) <br /> [![AI Code Reviews](./badges/ai-code-reviews-purple.svg)](#ai-code-reviews) ([1](https://github.com/dotnet/runtime/pull/116200)) <br /> [![AI sponsored](./badges/ai-sponsored-blue.svg)](#sponsored-by-ai) ([1](https://dotnet.microsoft.com/en-us/), [2](https://github.com/dotnet/runtime)) | See below |
 | [Alumina](https://docs.alumina-lang.net) | [`ee360b9`](https://github.com/alumina-lang/alumina/commit/ee360b9878523f927b791bc08178505b50270655) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/alumina-lang/alumina/commit/937ccb524ec221b1ed55fb911a582bd1d83d7106), [2](https://github.com/alumina-lang/alumina/commit/d98b9bdaf41e6118eb0da048e23b1eea6d29c59e), [3](https://github.com/alumina-lang/alumina/commit/fb9c2ca35e65468b7f093e64d6ab926e2c27c5a4)) | See below |
 | [C2](https://github.com/c2lang/c2compiler) | [`e12a0dc`](https://github.com/c2lang/c2compiler/commit/e12a0dcd2fd97e70ebe4926498fdc85de5dae712) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/c2lang/c2compiler/blob/master/CLAUDE.md), [2](https://github.com/c2lang/c2compiler/commit/e66d2488f84165fbf6e5428e43c9f45c6923f29d), [3](https://github.com/c2lang/c2compiler/commit/e5ad7013e0b44fe9623f121e6618ecfeb9bf7769)) | See below |
 | [C3](https://c3-lang.org) | [`379d16a`](https://github.com/c3lang/c3c/commit/379d16abe7e5299c604d932411e8ef20beeb591d) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/c3lang/c3c/pull/2243#issue-3181768969), [2](https://github.com/c3lang/c3c/pull/2255#issuecomment-3026472543)) <br /> [![AI Code Reviews](./badges/ai-code-reviews-purple.svg)](#ai-code-reviews) ([1](https://github.com/c3lang/c3c/pull/2307#pullrequestreview-3025076269)) | See below |