fix: add vrubel user to container passwd for SSH uid lookup

.forgejo/workflows/test.yml

@@ -15,7 +15,9 @@ jobs:
           GIT_TERMINAL_PROMPT: '0'
 
       - name: Ensure Docker CLI
-        run: apk add --no-cache docker-cli docker-cli-compose openssh-client || true
+        run: |
+          apk add --no-cache docker-cli docker-cli-compose openssh-client || true
+          grep -q '^vrubel:' /etc/passwd || echo 'vrubel:x:1000:1000::/data:/bin/sh' >> /etc/passwd
 
       - name: Setup .env for CI/CD
         run: cp .env.example .env