feat(ci): release-please

.github/workflows/main.yml

@@ -243,6 +243,15 @@ jobs:
           CLUSTER_USER: ${{ secrets.CLUSTER_USER }}
           CLUSTER_PASSWORD: ${{ secrets.CLUSTER_PASSWORD }}
         timeout-minutes: 60
+      - name: Attach the CAR to release if building a release tag
+        if: github.event_name == 'release' && github.event.action == 'published'
+        run: |
+          curl \
+            -XPOST \
+            -H "Authorization: Bearer ${{ secrets.UCI_GITHUB_TOKEN }}" \
+            -H "Content-Type: application/octet-stream" \
+            --data-binary "@dist_${{ github.sha }}.car" \
+            "https://api.github.com/repos/${{ github.repository }}/releases/${{ steps.get_release.outputs.release_id }}/assets?name=dist_${{ github.event.release.tag_name }}_${{ github.sha }}.car"
       - name: Update DNSLink at inbrowser.dev (Staging for Dev Testing) if main branch was updated
         if: (github.event_name == 'workflow_dispatch' || github.event_name == 'push') && github.ref == 'refs/heads/main'
         run: |
@@ -366,7 +375,7 @@ jobs:
           - cloudflare-ipfs.com
     steps:
       - name: Try fetching the new CID as CAR from ${{ matrix.gateway }}
-        run: curl --retry 6 --retry-delay 61 --retry-all-errors -v -L "https://${{ matrix.gateway }}/ipfs/${{ needs.publish-to-ipfs.outputs.cid }}?format=car" -o dag.car
+        run: curl --retry 6 --retry-delay 61 --retry-all-errors -v -L --http1.1 "https://${{ matrix.gateway }}/ipfs/${{ needs.publish-to-ipfs.outputs.cid }}?format=car" -o dag.car
       - uses: ipfs/download-ipfs-distribution-action@v1
         with:
           name: kubo
@@ -396,3 +405,19 @@ jobs:
       - uses: ipfs/start-ipfs-daemon-action@v1
       - name: Confirm Kubo can fetch with Routing.Type=${{ matrix.routing-type }}
         run: ipfs dag stat ${{ needs.publish-to-ipfs.outputs.cid }}
+
+  release-please:
+    runs-on: ubuntu-latest
+    if: (github.event_name == 'workflow_dispatch' || github.event_name == 'push') && github.ref == 'refs/heads/main'
+    needs: [ build, check ]
+    permissions:
+      contents: write # to create release
+      pull-requests: write # to create release PR
+    steps:
+      - uses: google-github-actions/release-please-action@v4
+        with:
+          # NOTE: we need elevated PAT token for production DNSLink to be updated. this is because tags created by the default token
+          # will not trigger CI build, and we need publish-to-ipfs to run when a new release tag is created by this action
+          # https://github.com/google-github-actions/release-please-action?tab=readme-ov-file#github-credentials
+          token: ${{ secrets.UCI_GITHUB_TOKEN || github.token }}
+          release-type: node