v1/topdown/graphql: Cache GraphQL schema parse results (#5377) #11978

Job	Run time
Generate Code	1m 11s
Go Lint	3m 17s
Rego PR checks	1m 35s
YAML Lint	24s
Check Generated	31s
Go Test (linux)	4m 48s
Go Build (linux amd64)	2m 37s
Go compat build/test (ubuntu-24.04, 1.21)	3m 3s
Go Test (darwin)	4m 52s
Go Build (linux arm64)	2m 22s
Go compat build/test (macos-14, 1.21)	4m 38s
Go Race Detector	8m 6s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 20s
WASM	10s
Go Build (windows amd64)	2m 39s
Go Build (darwin amd64)	1m 57s
Go Build (darwin arm64)	52s
docker image smoke test	37s
smoke-test-binaries (linux, ubuntu-24.04, opa_linux_amd64, amd64)	20s
smoke-test-binaries (linux, ubuntu-24.04, opa_linux_amd64_static, amd64, disabled)	15s
smoke-test-binaries (darwin, macos-13, opa_darwin_amd64, amd64)	23s
smoke-test-binaries (darwin, macos-14, opa_darwin_arm64_static, arm64, disabled)	13s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	2m 13s
	49m 23s

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