fix(cdn): manage Alliance hostname

.crow/weekly-rebuild-reindex.yaml

@@ -175,9 +175,9 @@ steps:
         from_secret: BUNNYNET_API_KEY
       # cran.rpkgs.com and cran.allianceswisspass.devxy.io are on separate
       # Bunny pull zones, so both must be purged after the shared origin changes.
-      BUNNY_PULLZONES: '3857050 3265648'
+      BUNNY_PULLZONES: '3857050 cran.allianceswisspass.devxy.io'
     commands:
-      - apk add --no-cache -q bash curl
+      - apk add --no-cache -q bash curl jq
       # Crow carries the checkout from the re-index step into this step.
       - bash scripts/purge_cdn_zone.sh "$BUNNYNET_API_KEY" $BUNNY_PULLZONES
     # Runs on every row rather than on one designated slot: a cron fires only