Prepare v0.56.0 development #8745

Job	Run time
Generate Code	2m 1s
Rego PR checks	16s
Go Lint	2m 13s
Check Generated	44s
Go Test (linux)	6m 23s
Go Test (darwin)	5m 35s
Go compat build/test (ubuntu-22.04, 1.19)	5m 40s
Go compat build/test (macos-latest, 1.19)	8m 1s
Go Build (linux amd64)	4m 20s
Go Build (linux arm64)	2m 45s
Go Build (windows)	3m 20s
Go Build (darwin)	3m 9s
Go Race Detector	7m 59s
WASM	13s
smoke-test-binaries (ubuntu-22.04, opa_linux_amd64)	20s
smoke-test-binaries (ubuntu-22.04, opa_linux_amd64_static, disabled)	18s
smoke-test-binaries (macos-latest, opa_darwin_amd64)	1m 53s
smoke-test-binaries (windows-latest, opa_windows_amd64.exe)	49s
docker image smoke test	36s
	56m 35s

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