chore(deps): update actions/upload-artifact action to v7

Author: renovate[bot]

.github/workflows/pdf.yml

@@ -28,7 +28,7 @@ jobs:
         run: npx docusaurus-prince-pdf --toc -u https://docs.projectbluefin.io -o pdf/bluefin.pdf
 
       - name: Upload results
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           name: bluefin
           # The output filename can be specified with --output option