use crds client for getting edit context

Author: braingram

.github/workflows/contexts.yml

@@ -18,9 +18,7 @@ jobs:
         env:
           OBSERVATORY: jwst
           CRDS_SERVER_URL: https://jwst-crds.stsci.edu
-        run: >
-          echo "pmap=$(
-          curl -s -X POST -d '{"jsonrpc": "1.0", "method": "get_default_context", "params": ["${{ env.OBSERVATORY }}", null], "id": 1}' ${{ env.CRDS_SERVER_URL }}/json/ --retry 8 --connect-timeout 10 |
-          python -c "import sys, json; print(json.load(sys.stdin)['result'])"
-          )" >> $GITHUB_OUTPUT
+        run: |
+          pip install crds
+          echo "pmap=$(crds list --resolve-contexts  --contexts jwst-edit)" >> $GITHUB_OUTPUT
       - run: if [[ ! -z "${{ steps.jwst_crds_context.outputs.pmap }}" ]]; then echo ${{ steps.jwst_crds_context.outputs.pmap }}; else exit 1; fi