Update docker.elastic.co/ci-agent-images/pipelib Docker tag to v0.33.0

Author: elastic-renovate-prod[bot]

.buildkite/pipeline.yml

@@ -7,15 +7,15 @@ steps:
   - label: "Verify Renovate configuration"
     command: "renovate-config-validator"
     agents:
-      image: "docker.elastic.co/ci-agent-images/pipelib:0.31.0@sha256:58c0aab1ff8f47341fb3bd35248bf071ab225f3f57f7e38e6b25e3ac0cc4dec9"
+      image: "docker.elastic.co/ci-agent-images/pipelib:0.33.0@sha256:d79a2f81e8679788e314bdb69c074388dbc9b5d6d30f9e2e90cd40b867911bf7"
     if_changed:
       - "renovate.json"
 
   # if our catalog-info.yaml is changed, make sure it's well-formed according to our internal standards as well as Backstage's validation
   - label: Validate TokenPolicy RREs
     command: "/agent/check-catalog-info.sh"
     agents:
-      image: "docker.elastic.co/ci-agent-images/pipelib:0.31.0@sha256:58c0aab1ff8f47341fb3bd35248bf071ab225f3f57f7e38e6b25e3ac0cc4dec9"
+      image: "docker.elastic.co/ci-agent-images/pipelib:0.33.0@sha256:d79a2f81e8679788e314bdb69c074388dbc9b5d6d30f9e2e90cd40b867911bf7"
     if_changed:
       - "catalog-info.yaml"