test workflwo: ignore zizmor obfuscation error

Could not found a workaround without using fromJSON, and `zizmor --fix` did not help at all.

Author: nicoddemus

.github/workflows/test.yml

@@ -240,7 +240,7 @@ jobs:
             tox_env: "doctesting"
             use_coverage: true
 
-    continue-on-error: >-
+    continue-on-error: |  # zizmor: ignore[obfuscation]
       ${{
         contains(
           fromJSON(