Envoy gloo bump for inja escaped characters

[jbohanon]

Description

This gets the latest envoy-gloo in order to test functionality with new Inja feature and new custom callback

Control plane changes to accommodate this new functionality:
Settings CRD:

glooOptions:
  transformationOptions:
    escapeCharacters: true

TransformationStages:
Setting can be configured as part of stagedTransformations on VirtualHostOptions, RouteOptions, or WeightedDestinationOptions

Context

See context here

Checklist:

• I included a concise, user-facing changelog (for details, see https://github.com/solo-io/go-utils/tree/main/changelogutils) which references the issue that is resolved.
• If I updated APIs (our protos) or helm values, I ran make -B install-go-tools generated-code to ensure there will be no code diff
• I followed guidelines laid out in the Gloo Edge contribution guide
• I opened a draft PR or added the work in progress label if my PR is not ready for review
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

[solo-changelog-bot]

Issues linked to changelog:
https://github.com/solo-io/solo-projects/issues/5155

[github-actions]

Visit the preview URL for this PR (updated for commit 68096ed):

https://gloo-edge--pr8499-envoy-gloo-bump-for-43ptaome.web.app

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[nfuden]

We should allow for inheritance either via a gateway or settings level default

[elcasteel]

LGTM!

[nfuden]

for i, hdr := range headers is more idiomatic and only an extra allocation

[jbohanon]

It's one allocation, but it copies the slice val out to the temp on every loop iteration