Update JamesIves/github-pages-deploy-action action to v4.6.8

Author: renovate[bot]

.github/workflows/publish-docc.yml

@@ -22,7 +22,7 @@ jobs:
           OTHER_DOCC_FLAGS="--transform-for-static-hosting --hosting-base-path orbit-swiftui --output-path docs" \
           | xcpretty
     - name: Deploy to Github Pages
-      uses: JamesIves/[email protected].4
+      uses: JamesIves/[email protected].8
       with:
         branch: docc
         folder: docs