Add a note guiding users to include SBOM files in the source distribution (#2120)

* Add a note guiding users to include SBOM files in the source distribution

* Remove mention of uv and build

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Co-authored-by: Cary Hawkins <[email protected]>

Author: edgarrmondragon

docs/plugins/builder/wheel.md

@@ -25,6 +25,8 @@ The builder plugin name is `wheel`.
 | `bypass-selection` | `false` | Whether or not to suppress the error when one has not defined any file selection options and all heuristics have failed to determine what to ship |
 | `sbom-files` | | A list of paths to [Software Bill of Materials](https://peps.python.org/pep-0770/) files that will be included in the `.dist-info/sboms/` directory of the wheel |
 
+!!! note
+    Many build frontends will build the wheel from a source distribution. This is the recommended approach, but it means you need to ensure the SBOM files passed to `sbom-files` are also [included in the source distribution](https://hatch.pypa.io/latest/config/build/#file-selection).
 
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