chore(deps): bump bitnami/kubectl in /test/container (#18224)

Bumps bitnami/kubectl from `5129237` to `09c66fb`.

---
updated-dependencies:
- dependency-name: bitnami/kubectl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

test/container/Dockerfile

@@ -12,7 +12,7 @@ FROM docker.io/library/golang:1.22.1@sha256:0b55ab82ac2a54a6f8f85ec8b943b9e470c3
 
 FROM docker.io/library/registry:2.8@sha256:4fac7a8257b1d7a86599043fcc181dfbdf9c8f57e337db763ac94b0e67c6cfb5 as registry
 
-FROM docker.io/bitnami/kubectl:1.30@sha256:5129237e10ce868cff6cf6d491569d90c0ab99547a68f5ac630ce65dbb475f80 as kubectl
+FROM docker.io/bitnami/kubectl:1.30@sha256:09c66fb4719def5c6b495dd7fe69dc580867b905c9470e4354d5a862310e6ffd as kubectl
 
 FROM docker.io/library/ubuntu:24.04@sha256:3f85b7caad41a95462cf5b787d8a04604c8262cdcdf9a472b8c52ef83375fe15