fix: update libcurl in build pipeline (#219)

Co-authored-by: jolheiser <john.olheiser@gmail.com>
Reviewed-on: https://gitea.com/gitea/blog/pulls/219
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: John Olheiser <john+gitea@jolheiser.com>
Co-committed-by: John Olheiser <john+gitea@jolheiser.com>

.drone.yml

@@ -15,7 +15,8 @@ steps:
   pull: always
   image: plugins/hugo:latest
   commands:
-  - apk add --no-cache make bash curl
+  # https://github.com/drone-plugins/drone-hugo/issues/36
+  - apk --no-cache upgrade libcurl && apk add --no-cache make bash curl
   - make clean
   - make build