Use mamba env update

.github/workflows/lint.yml

@@ -56,7 +56,7 @@ jobs:
           activate-environment: biowdl-lint
       
       - name: Update test environment
-        run: mamba install -n test cromwell miniwdl wdl-aid
+        run: mamba env update -n biowdl-lint -f .github/lint-environment.yml
         if: steps.env_cache.outputs.cache-hit != 'true'
 
       - name: run womtool validate