Build containers for branches (dexidp#3560)

Revert the change introduced in previous PRs. For each PR, we want to build images to check that the build passes successfully.

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

.github/workflows/artifacts.yaml

@@ -28,26 +28,9 @@ permissions:
   contents: read
 
 jobs:
-  config:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check Secrets
-        id: check-secrets
-        env:
-          username: ${{ secrets.DOCKER_USERNAME || '' }}
-          password: ${{ secrets.DOCKER_PASSWORD || '' }}
-        if: ${{ env.username != '' && env.password  != '' }}
-        shell: bash
-        run:
-          echo has-secrets=1 >> "$GITHUB_OUTPUT"
-    outputs:
-      has-secrets: ${{ steps.check-secrets.outputs.has-secrets }}
-
   container-images:
     name: Container images
     runs-on: ubuntu-latest
-    needs: config
-    if: ${{ needs.config.outputs.has-secrets }}
     strategy:
       matrix:
         variant: