Stable Updates 20260914

Run the following commands:
```
dotnet cake -t:update-config
dotnet cake utilities.cake -t=generate-component-governance
dotnet cake utilities.cake -t=list-artifacts
```

Commit the changes.

Build the repo and commit any changes to `PublicApi.*.txt` files.

After the build completes, run:
```
dotnet cake utilities.cake -t=generate-namespace-file
```

Commit the updated `published-namespaces.txt` file.

Lastly, run:
```
dotnet cake utilities.cake -t=api-diff-markdown-info-pr
```

And put the contents from this command in the PR description and commit messages.