chore(deps): update registry-1.docker.io/bitnamicharts/elasticsearch docker tag to v21.3.2 (#1075)

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

Author: renovate[bot]

mastodon/bitnami/app_of_apps/elastic_search_argocd_app.yaml

@@ -16,7 +16,7 @@ spec:
   source:
     repoURL: 'registry-1.docker.io'
     chart: bitnamicharts/elasticsearch
-    targetRevision: 21.2.8
+    targetRevision: 21.3.2
     helm:
       releaseName: mastodon-elasticsearch
       values: |