Prepare v0.64.0 release #10159

Job	Run time
YAML Lint	21s
Go Lint	1m 39s
Rego PR checks	1m 22s
Generate Code	1m 16s
WASM	6m 17s
Check Generated	27s
Go Test (linux)	4m 25s
Go Build (linux amd64)	2m 22s
Go compat build/test (ubuntu-22.04, 1.20)	4m 20s
Go Test (darwin)	3m 59s
Go Race Detector	6m 2s
Go Build (linux arm64)	2m 11s
Go compat build/test (macos-latest, 1.20)	3m 57s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 15s
Go Build (windows amd64)	2m 32s
Go Build (darwin amd64)	1m 19s
docker image smoke test	43s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64, amd64)	16s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64_static, amd64, disabled)	12s
smoke-test-binaries (darwin, macos-latest, opa_darwin_amd64, amd64)	27s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	39s
	47m 1s

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