ci(docker-build-push): transfer workflow from next branch

Author: char0n

.github/workflows/docker-build-push.yml

@@ -1,4 +1,3 @@
-
 # inspired by https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
 name: Build & Push SwaggerEditor@next Docker image
 
@@ -20,6 +19,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: next
+          submodules: true
 
       - name: Use Node.js 22
         uses: actions/setup-node@v4