ci: replace 3.10-alpine with 3.10-slim-bullseye

.gitlab-ci.yml

@@ -14,11 +14,12 @@ stages:
 
 build-openapi-scheme:
   stage: build
-  image: python:3.10-alpine
+  image: python:3.10-slim-bullseye
   variables:
     OPENAPI_JSON: ./public/api.json
   before_script:
-    - apk add gcc musl-dev zlib-dev jpeg-dev libmagic openldap-dev
+    - apt-get update
+    - apt-get install -y gcc ldap-utils libldap-dev libmagic1 libsasl2-dev
     - pip install poetry==1.4.0
     - poetry install --without dev,test --no-root
   script: