try updating conda to fix test run

.github/workflows/variant_remapping.yml

@@ -29,6 +29,7 @@ jobs:
         echo "/tmp/nextflow" >> $GITHUB_PATH
         cd -
         # $CONDA is an environment variable pointing to the root of the miniconda directory
+        $CONDA/bin/conda update conda
         $CONDA/bin/conda env update -q --file conda.yml --name base
         $CONDA/bin/conda run pip install -q -r requirements.txt