test: add translator golden tests for gateway API L4 routes

[forsaken628]

What this PR does / why we need it:

add golden test for UDPRoute, TCPRoute, TLSRoute

Which issue this PR fixes:

fixes #3092

Special notes for your reviewer:

copy from UDPRoute docs, TCPRoute docs

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• [ ] the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

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All committers have signed the CLA.

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[forsaken628]

Error when evaluating 'timeout-minutes' for job 'passed'. .github/workflows/checks.yaml (Line: 137, Col: 22): Error parsing fromJson,.github/workflows/checks.yaml (Line: 137, Col: 22): Error reading JToken from JsonReader. Path '', line 0, position 0.,.github/workflows/checks.yaml (Line: 137, Col: 22): Unexpected value ''

need help

[programmer04]

@forsaken628 please update your PR with the newest main of KIC repo