chore: purge package indexes for alpine

.crow/weekly-audit-missing-alpine-323-arm64.yaml

@@ -50,3 +50,17 @@ steps:
             operator: 'Equal'
             value: 'true'
             effect: 'NoSchedule'
+
+  - name: Purge CDN cache
+    image: reg.devxy.io/docker.io/library/alpine:3.23
+    environment:
+      BUNNYNET_API_KEY:
+        from_secret: BUNNYNET_API_KEY
+      SUBDOMAIN1: 'cran.devxy.io'
+      SUBDOMAIN2: 'cran.allianceswisspass.devxy.io'
+      SUBDOMAIN3: 'cran.rpkgs.com'
+      OS_ID: alpine-323
+      ARCH: arm64
+    commands:
+      - apk add --no-cache -q bash curl
+      - bash scripts/purge_cdn_cache.sh "$BUNNYNET_API_KEY" "$ARCH" "$OS_ID" "$SUBDOMAIN1" "$SUBDOMAIN2" "$SUBDOMAIN3"