Update docs and server binding addr per OPA v1.0 specs #11287

Job	Run time
Rego PR checks	1m 25s
Go Lint	1m 59s
YAML Lint	18s
Generate Code	1m 4s
Go Test (linux)	4m 26s
Go Build (linux amd64)	2m 26s
Go Test (darwin)	4m 3s
Check Generated	27s
Go compat build/test (ubuntu-22.04, 1.21)	3m 39s
Go Build (linux arm64)	2m 18s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 5s
Go compat build/test (macos-14, 1.21)	4m 35s
Go Race Detector	5m 46s
Go Build (windows amd64)	2m 23s
WASM	8s
Go Build (darwin amd64)	1m 36s
Go Build (darwin arm64)	52s
docker image smoke test	33s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64, amd64)	17s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64_static, amd64, disabled)	11s
smoke-test-binaries (darwin, macos-13, opa_darwin_amd64, amd64)	30s
smoke-test-binaries (darwin, macos-14, opa_darwin_arm64_static, arm64, disabled)	17s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	1m 7s
	42m 25s

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