fix workflow with renamed test marker dna_ref file

.github/workflows/docker-image.yml

@@ -58,7 +58,7 @@ jobs:
       -
         name: Test
         run: |
-          docker run --rm -i -v $PWD/tests:/input -v $PWD/tests/:/reads -v $PWD/output:/out -v $PWD/run:/run ${{ env.TEST_TAG }} --tree --standalone_path /input/marker_genes --dna_reference /input/cds-marker_genes.fasta.gz --reads /reads/sample_1.fastq --output_path /out
+          docker run --rm -i -v $PWD/tests:/input -v $PWD/tests/:/reads -v $PWD/output:/out -v $PWD/run:/run ${{ env.TEST_TAG }} --tree --standalone_path /input/marker_genes --dna_reference /input/dna_ref.fa --reads /reads/sample_1.fastq --output_path /out
           if [ ! -f output/tree_sample_1.nwk ] ; then exit 1; fi
       -
         name: Login to DockerHub