chore(vrl): bump to latest main and replace deprecated as_str

[thomasqueirozb]

Summary

Bump the VRL git dependency to the latest main and adapt to the Value::as_str deprecation introduced upstream.

References

NA

Vector configuration

NA

How did you test this PR?

• cargo check --workspace --all-targets --all-features
• cargo clippy --workspace --all-targets --all-features
• Unit tests: codecs (protobuf), vector-vrl-metrics, vector (kubernetes docker parser)

Does this PR include user facing changes?

• Yes. Please add a changelog fragment based on our guidelines.
• No. A maintainer will apply the no-changelog label to this PR.

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  • Feel free to push as many commits as you want. They will be squashed into one before merging.
  • For example, you can run git merge origin master and git push.

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-09T21:44:36.026293Z	c01d991	Draft marked ready

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[datadoghq-integration]

More details

The string-conversion replacements raised no reportable static concern. The new VRL revision’s upstream implementation and build compatibility remain unverified because dependency sources and the pinned Rust toolchain were unavailable locally.

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