Build(deps): Bump envoyproxy/envoy from v1.32.0 to v1.32.1 in /build/proxy

[dependabot]

⚠️ Dependabot is rebasing this PR ⚠️

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Bumps envoyproxy/envoy from v1.32.0 to v1.32.1.

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[adamjensenbot]

Hi @dependabot[bot]. Thanks for your PR!

I am @adamjensenbot.
You can interact with me issuing a slash command in the first line of a comment.
Currently, I understand the following commands:

• /rebase: Rebase this PR onto the master branch (You can add the option test=true to launch the tests
  when the rebase operation is completed)
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Make sure this PR appears in the liqo changelog, adding one of the following labels:

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[dependabot]

Dependabot couldn't find a Dockerfile. Because of this, Dependabot cannot update this pull request.

[fra98]

@dependabot rebase

[fra98]

Close as envoy has been replaced by custom image in #2819

[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.