docs(deployment): Migrate to Bunny CDN (#1244)

Co-authored-by: Thomas S. <[email protected]>

.github/workflows/sphinx.yml

@@ -151,13 +151,12 @@ jobs:
         run: |
           curl --fail-with-body \
           -X POST \
-          -H "X-Auth-Token: ${TOKEN}" \
-          -H "Content-Type: application/json" \
-          -d "{\"pipeline_id\":\"${PIPELINE_ID}\",\"all\":true}" \
-          "https://api.scaleway.com/edge-services/v1alpha1/purge-requests"
+          --url "https://api.bunny.net/purge?url=https%3A%2F%2F${DOMAIN}%2F${VERSION}%2F%2A&async=false" \
+          --header "AccessKey: ${ACCESS_KEY}"
         env:
-          TOKEN: ${{ secrets.SCW_SECRET_KEY }}
-          PIPELINE_ID: ${{ vars.DOCUMENTATION_EDGE_SERVICES_PIPELINE_ID }}
+          ACCESS_KEY: ${{ secrets.BUNNY_API_KEY }}
+          DOMAIN: ${{ vars.DOCUMENTATION_DOMAIN }}
+          VERSION: ${{ needs.sphinx-version.outputs.SPHINX_VERSION }}
 
   sphinx-deploy-root-files:
     if: ${{ github.event_name == 'release' }}
@@ -227,6 +226,16 @@ jobs:
           ACTION: copy
           SOURCE: artifacts/
           DESTINATION:
+      - name: Purge CDN cache
+        shell: bash
+        run: |
+          curl --fail-with-body \
+          -X POST \
+          --url "https://api.bunny.net/purge?url=https%3A%2F%2F${DOMAIN}%2F%2A.%2A&async=false" \
+          --header "AccessKey: ${ACCESS_KEY}"
+        env:
+          ACCESS_KEY: ${{ secrets.BUNNY_API_KEY }}
+          DOMAIN: ${{ vars.DOCUMENTATION_DOMAIN }}
 
   sphinx-clean-artifacts:
     runs-on: ubuntu-latest