Update docs and server binding addr per OPA v1.0 specs #11369

Job	Run time
Go Lint	1m 40s
YAML Lint	21s
Generate Code	1m 12s
Rego PR checks	1m 34s
Check Generated	9s
Go compat build/test (ubuntu-22.04, 1.21)	9s
Go Test (linux)	8s
Go compat build/test (macos-14, 1.21)	10s
Go Build (linux amd64)	8s
Go Test (darwin)	10s
Go Race Detector	8s
Go Build (linux arm64)	7s
WASM	9s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	8s
Go Build (windows amd64)	7s
Go Build (darwin amd64)	35s
Go Build (darwin arm64)	8s
smoke-test-binaries	1s
docker image smoke test	1s
	7m 5s

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