publish: change user/password from auto-token to PAT

.gitea/workflows/publish.yaml

@@ -21,15 +21,12 @@ jobs:
         with:
           images: gentoo/pkgdev-docker
 
-      - name: Print token and actor
-        run: echo ${{github.actor}} && echo ${{secrets.GITEA_TOKEN}}
-
       - name: Login to registry
         uses: docker/login-action@v3
         with:
           registry: git.ratigorsk-12.ru
-          username: ${{github.actor}}
-          password: ${{secrets.GITEA_TOKEN}}
+          username: ${{secrets.DOCKER_REPOSITORY_USER}}
+          password: ${{secrets.DOCKER_REPOSITORY_PASSWORD}}
 
       - name: Build and push
         uses: docker/build-push-action@v6