workflows/eval: fix eval report with formatting changes (#455235)

                        const diff = JSON.parse(

                          readFileSync(path.join(artifact, system, 'diff.json'), 'utf-8'),

                        )

                        const attrs = [].concat(

                          diff.added,

                          diff.removed,

                          diff.changed,

                          diff.rebuilds

                        )

                        const attrs = []

                          .concat(diff.added, diff.removed, diff.changed, diff.rebuilds)

                          // There are some special attributes, which are ignored for rebuilds.

                          // These only have a single path component, because they lack the `.<system>` suffix.

                          .filter((attr) => attr.split('.').length > 1)

                        if (attrs.length > 0) {

                          core.setFailed(

                            `${version} on ${system} has changed outpaths!\nNote: Please make sure to update ci/pinned.json separately from changes to other packages.`,