build(deps): bump envoyproxy/envoy in /cmd/cl-dataplane (#735)

Bumps envoyproxy/envoy from v1.32.3 to v1.33.0.

---
updated-dependencies:
- dependency-name: envoyproxy/envoy
  dependency-type: direct:production
...

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

Author: dependabot[bot]

cmd/cl-dataplane/Dockerfile

@@ -1,4 +1,4 @@
-FROM envoyproxy/envoy:v1.32.3
+FROM envoyproxy/envoy:v1.33.0
 
 # Populated during the build process, for example, with 'arm64' or 'amd64'.
 ARG TARGETARCH