*: Add docker to workflows

Signed-off-by: Angira Kekteeva <kira@nspcc.ru>

.github/workflows/builds.yml

@@ -42,14 +42,11 @@ jobs:
           name: neofs-http-gw
           path: bin/neofs-http-gw
 
-# This job was made being skipped because building of a docker image is not working at this moment
   build_image:
     needs: build_cli
     name: Build Docker image
     runs-on: ubuntu-20.04
 
-    if: ${{ false }}  # remove this line when building of docker image will work
-
     steps:
       - uses: actions/checkout@v2
         with:

.github/workflows/publish_to_dockerhub.yml

@@ -1,5 +1,3 @@
-# Jobs in this file are disabled because building of a docker image is not working
-# Remove .disabled extension to enable it
 name: Push images to DockerHub
 
 # Controls when the action will run.