Lint with iris v0.5.2, matching the portal this runs

.gitea/workflows/lint-and-reload.yml

@@ -14,7 +14,7 @@ jobs:
           rm -rf checkout && git clone --depth 1 https://prosjekt.klingenbergbygg.no/westra/questions.git checkout
       - name: lint
         env:
-          IRIS_RELEASE: v0.5.1
+          IRIS_RELEASE: v0.5.2
         run: |
           curl -sfL "https://project.uhhm.no/uhhm/iris/releases/download/$IRIS_RELEASE/iris" -o iris && chmod +x iris
           ./iris check --path checkout/questions