Perf: improvements to terms and built-in functions #11464

Job	Run time
Generate Code	1m 8s
YAML Lint	18s
Go Lint	1m 58s
Rego PR checks	1m 36s
Check Generated	27s
Go Test (linux)	4m 43s
Go compat build/test (ubuntu-22.04, 1.21)	3m 35s
Go Build (linux amd64)	2m 29s
Go compat build/test (macos-14, 1.21)	4m 42s
Go Test (darwin)	5m 55s
Go Build (linux arm64)	2m 10s
Go Race Detector	5m 54s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 8s
Go Build (windows amd64)	2m 23s
WASM	8m 2s
Go Build (darwin amd64)	1m 51s
Go Build (darwin arm64)	44s
docker image smoke test	29s
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)	15s
smoke-test-binaries (darwin, macos-13, opa_darwin_amd64, amd64)	46s
smoke-test-binaries (darwin, macos-14, opa_darwin_arm64_static, arm64, disabled)	15s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	2m 21s
	54m 20s

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