fix(release): use artifact actions v3 on Gitea mirrors. (#11)

v4+ relies on @actions/artifact v2, which this runner rejects. Download
uses path: . so release PDFs land in the job root for ls *.pdf.

Reviewed-on: #11
Co-authored-by: keligrubb <keligrubb324@gmail.com>
Co-committed-by: keligrubb <keligrubb324@gmail.com>

.gitea/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
         run: npm start
 
       - name: Upload PDF artifact
-        uses: https://git.keligrubb.com/actions/upload-artifact@v7
+        uses: https://git.keligrubb.com/actions/upload-artifact@v3
         with:
           name: release-pdf
           path: "*.pdf"
@@ -47,9 +47,10 @@ jobs:
       GITEA_TOKEN: ${{ secrets.SCROLLSMITH_GITEA_TOKEN }}
     steps:
       - name: Download PDF artifact
-        uses: https://git.keligrubb.com/actions/download-artifact@v8
+        uses: https://git.keligrubb.com/actions/download-artifact@v3
         with:
           name: release-pdf
+          path: .
 
       - name: Create release and upload PDF
         run: |