keep the drive letter prefix in the path for windows #10989

Job	Run time
Generate Code	1m 12s
YAML Lint	19s
Rego PR checks	1m 40s
Go Lint	1m 39s
Check Generated	23s
Go compat build/test (ubuntu-22.04, 1.21)	2m 47s
Go Build (linux amd64)	2m 31s
Go Race Detector	2m 47s
Go compat build/test (macos-14, 1.21)	2m 47s
Go Test (linux)	2m 45s
Go Build (linux arm64)	2m 14s
Go Test (darwin)	2m 46s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 29s
WASM	9s
Go Build (windows amd64)	2m 22s
Go Build (darwin amd64)	1m 22s
Go Build (darwin arm64)	29s
docker image smoke test	1s
smoke-test-binaries	1s
	30m 43s

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