Add PPR evals and fix env loading for agent-eval 0.9.5 #103662

Job	Run time
deploy-target	21s
publish-turbopack-npm-packages	-1s
generate-native-matrix	4s
build-wasm (web)	24s
build	3m 55s
build-wasm (nodejs)	49s
stable - x86_64-unknown-linux-gnu - node@20	44s
Upload Turbopack Bytesize metrics to Datadog	0s
thank you, build	2s
Deploy preview tarball	2m 45s
Deploy examples	0s
Potentially publish release	0s
	9m 3s

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