process arm updates only on mac mini

.crow/process-updates-alpine-322-arm64.yaml

@@ -8,6 +8,10 @@ when:
 
 skip_clone: true
 
+labels:
+  backend: docker
+  platform: linux/arm64
+
 steps:
   - name: 'Processing Updates'
     image: docker.io/devxygmbh/rpkgs-build-env-alpine:3.22-4.5
@@ -52,23 +56,6 @@ steps:
       - mkdir -p /mnt/cache/pkgcache /mnt/cache/R-pkgs /mnt/cache/ccache /mnt/cache/packages
       # options(future.globals.onReference = NULL): for some reason s3fs::file_delete() throws 'Error: Detected a non-exportable reference ('externalptr') in one of the globals ('FUN' of class 'function') used in the future expression' otherwise
       - xvfb-run R -q -e "options(crayon.enabled = TRUE, Ncpus = 4, future.globals.onReference = 'error', repos = structure(c(getOption('repos'),INLA='https://inla.r-inla-download.org/R/stable'))); progressr::handlers('cli'); progressr::handlers(global = TRUE); options(future.globals.onReference = NULL); bincraft::process_cran_updates(interval = $INTERVAL, platform = 'alpine-321', process_updated = TRUE, process_new = TRUE, process_removed = TRUE, s3_endpoint = 'https://hel1.your-objectstorage.com', s3_region = 'hel1', s3_bucket = 'devxy-r-package-binaries-hel1', s3_access_key_id = Sys.getenv('HETZNER_S3_ACCESS_KEY_K3S'), s3_secret_access_key = Sys.getenv('HETZNER_S3_SECRET_KEY_K3S'), metadata_db_host = 'r-binaries.devxy.io', metadata_db_name = 'build_metadata', metadata_db_table = 'single_builds', metadata_db_user = 'rpkgs', metadata_db_password = Sys.getenv('PGPASS'), metadata_db_sslmode = 'require', metadata_db_port = 15432, archive = TRUE, upload = TRUE, store_build_metadata = TRUE)"
-    backend_options:
-      kubernetes:
-        ### PROD
-        resources:
-          requests:
-            memory: 5Gi
-            cpu: 3000m
-          limits:
-            memory: 14Gi
-            cpu: 3000m
-        nodeSelector:
-          kubernetes.io/arch: arm64
-        tolerations:
-          - key: 'CI'
-            operator: 'Equal'
-            value: 'true'
-            effect: 'NoSchedule'
 
   - name: 'ntfy'
     image: binwiederhier/ntfy:v2.12.0