chore(deps): update curlimages/curl docker tag to v8.21.0 (#1861)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

kubernetes/apps/monitoring/victoria-metrics/replay/job.yaml

@@ -76,7 +76,7 @@ spec:
               readOnly: true
       containers:
         - name: reset-rollup-cache
-          image: curlimages/curl:8.11.1
+          image: curlimages/curl:8.21.0@sha256:7c12af72ceb38b7432ab85e1a265cff6ae58e06f95539d539b654f2cfa64bb13
           args:
             - -sf
             - http://vmsingle-vmetrics:8428/internal/resetRollupResultCache