note about usage of summary feature with download-artifact action

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

README.md

@@ -157,6 +157,19 @@ additional details about the build execution for all the bake targets,
 including build stats, logs, outputs, and more. The build record can be
 imported to Docker Desktop for inspecting the build in greater detail.
 
+> [!WARNING]
+>
+> If you're using the [`actions/download-artifact`](https://github.com/actions/download-artifact)
+> action in your workflow, you need to ignore the build record artifacts
+> if `name` and `pattern` inputs are not specified ([defaults to download all artifacts](https://github.com/actions/download-artifact?tab=readme-ov-file#download-all-artifacts) of the workflow),
+> otherwise the action will fail:
+> ```yaml
+> - uses: actions/download-artifact@v4
+>   with:
+>     pattern: "!*.dockerbuild"
+> ```
+> More info: https://github.com/actions/toolkit/pull/1874
+
 Summaries are enabled by default, but can be disabled with the
 `DOCKER_BUILD_SUMMARY` [environment variable](#environment-variables).