Fix directory

Author: bthomee

.github/workflows/debian.yml

@@ -29,7 +29,7 @@ jobs:
           DOCKER_REPOSITORY=${GITHUB_REPOSITORY,,}
           echo "DOCKER_IMAGE=${DOCKER_REGISTRY}/${DOCKER_REPOSITORY}/${{ matrix.version.os }}:gcc${{ matrix.version.gcc }}" >> $GITHUB_ENV
       - name: Build the Docker image
-        working-directory: docker/ubuntu
+        working-directory: docker/debian
         run: |
           DOCKER_BUILDKIT=1 docker build . \
           --target gcc \
@@ -68,7 +68,7 @@ jobs:
           DOCKER_REPOSITORY=${GITHUB_REPOSITORY,,}
           echo "DOCKER_IMAGE=${DOCKER_REGISTRY}/${DOCKER_REPOSITORY}/${{ matrix.version.os }}:clang${{ matrix.version.clang }}" >> $GITHUB_ENV
       - name: Build the Docker image
-        working-directory: docker/ubuntu
+        working-directory: docker/debian
         run: |
           DOCKER_BUILDKIT=1 docker build . \
           --target clang \