ci: Minor refactorings.

Author: SpacingBat3

.github/workflows/node.yml

@@ -80,11 +80,9 @@ jobs:
       # Create package & publish it as artifact for inspection
       - name: Create package tarball
         id:   pack
-        run:  echo "meta=$(npm -w @reforged/${{ matrix.pkg }} pack --json | tr -d ' \n')" >> "$GITHUB_OUTPUT"
+        run:  printf 'meta<<\0%s\0\n' "$(npm -w @reforged/${{ matrix.pkg }} pack --json)" >> "$GITHUB_OUTPUT"
       - name: Upload package as artifact
         uses: actions/upload-artifact@v4
-        env:
-          test: "foo"
         with:
           name: reforged-${{ matrix.pkg }}
           path: ${{ fromJson(steps.pack.outputs.meta)[0].filename }}