fix: deploy coverage dashboard from PR workflow

The deploy was only in publish.yml (main branch), so the dashboard
was never populated. Add it to ci.yml as well so it deploys on every
PR push to keep the dashboard current.

Author: ryanbas21

.github/workflows/ci.yml

@@ -257,3 +257,12 @@ jobs:
             ${{ steps.coverage-matrix-summary.outputs.table }}
 
             [Full dashboard](https://forgerock.github.io/ping-javascript-sdk/coverage-matrix/)
+
+      - name: Deploy coverage dashboard to GitHub Pages
+        continue-on-error: true
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./tools/coverage-matrix/dist
+          destination_dir: coverage-matrix
+          keep_files: true