Update docs and server binding addr per OPA v1.0 specs #11286

Job	Run time
Rego PR checks	1m 25s
Generate Code	1m 2s
YAML Lint	19s
Go Lint	1m 56s
Check Generated	26s
Go Race Detector	5m 53s
Go Build (linux amd64)	2m 33s
Go Test (linux)	4m 24s
Go Build (linux arm64)	2m 3s
Go Test (darwin)	4m 59s
WASM	10s
Go compat build/test (ubuntu-22.04, 1.21)	3m 45s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 7s
Go compat build/test (macos-14, 1.21)	4m 43s
Go Build (windows amd64)	2m 23s
Go Build (darwin amd64)	1m 37s
Go Build (darwin arm64)	52s
docker image smoke test	45s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64, amd64)	11s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64_static, amd64, disabled)	13s
smoke-test-binaries (darwin, macos-13, opa_darwin_amd64, amd64)	28s
smoke-test-binaries (darwin, macos-14, opa_darwin_arm64_static, arm64, disabled)	18s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	47s
	43m 19s

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