fix(middleware): buffer request bodies at the chain's largest stage l… #2488

Job	Run time
Resolve PR metadata	8s
build-supervisor / Resolve build plan	4s
build-gateway / Resolve build plan	4s
build-cli / Resolve build plan	3s
build-supervisor / Rust sandbox (arm64) / sandbox (arm64)	4m 9s
build-supervisor / Rust sandbox (amd64) / sandbox (amd64)	3m 54s
build-cli / Rust cli (amd64) / cli (amd64)	4m 48s
build-gateway / Rust gateway (amd64) / gateway (amd64)	6m 56s
build-gateway / Rust gateway (arm64) / gateway (arm64)	7m 30s
build-supervisor / Build supervisor (amd64)	1m 22s
build-supervisor / Build supervisor (arm64)	1m 19s
build-cli / Build ${{ inputs.component }} (${{ matrix.arch }})	-1s
build-cli / Merge ${{ inputs.component }} manifest	-1s
build-gateway / Build gateway (amd64)	1m 24s
build-gateway / Build gateway (arm64)	1m 29s
build-gateway / Merge gateway manifest	2s
Core E2E result	5s
build-supervisor / Merge ${{ inputs.component }} manifest	1s
kubernetes-ha-e2e	0s
e2e	0s
gpu-e2e	0s
kubernetes-e2e	0s
Kubernetes HA E2E result	1s
GPU E2E result	1s
	33m 18s

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