[8.x] Unauthorized route migration for routes owned by security-service-integrations (#198376)

[kibanamachine]

Backport

This will backport the following commits from main to 8.x:

• Unauthorized route migration for routes owned by security-service-integrations (#198376)

Questions ?

Please refer to the Backport tool documentation

[elasticmachine]

:yellow_heart: Build succeeded, but was flaky

• Buildkite Build
• Commit: a658daf1dffd98a18a4f61a6ee060dea9abe72a4

Failed CI Steps

• FTR Configs #35

Metrics [docs]

✅ unchanged

cc @kibanamachine