fix: Expose isolateVirtualHostsBySslConfig as a values yaml parameter…

[avizov]

Description

Expose isolateVirtualHostsBySslConfig as a values yaml parameter to enable setting it in the settings.yaml

Context

this PR allows consuming the fix from this issue #6677

Checklist:

• I included a concise, user-facing changelog (for details, see https://github.com/solo-io/go-utils/tree/master/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-build-bot]

Waiting for approval from someone in the solo-io org to start testing.

[solo-changelog-bot]

Issues linked to changelog:
#6476

[solo-changelog-bot]

Issues linked to changelog:
#6677

[gunnar-solo]

/run-ci

[gunnar-solo]

replaced with #7095