fix: changed secrets name

Author: PatatoBit

.github/workflows/dockerimage.yml

@@ -19,8 +19,8 @@ jobs:
         name: Login to DockerHub
         uses: docker/login-action@v2
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.PASSWORD }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Build and push
         uses: docker/build-push-action@v3