chore: bump setuptools to 70.x #9544

Job	Run time
Build	6m 1s
Create Release Package	5m 47s
pacmak-integration-test (./jsii-rosetta.tgz)	10m 11s
pacmak-integration-test (5.2.x)	10m 35s
pacmak-integration-test (5.3.x)	10m 3s
pacmak-integration-test (5.4.x)	10m 11s
Test (baseline)	6m 58s
Run benchmark suite	30m 32s
Test (Windows)	14m 20s
Test (macOS)	6m 12s
Test (Node 18)	6m 43s
Test (Node 20)	15m 36s
Test (Node 22)	14m 3s
Test (.NET 7.0)	6m 46s
Test (Go 1.19)	7m 4s
Test (Java 11)	7m 33s
Test (Python 3.8)	6m 46s
Test (Python 3.9)	6m 59s
Test (Python 3.10)	6m 48s
Test (Python 3.11)	7m 5s
Integration test (jsii-pacmak)	1s
Unit Tests	0s
	3h 16m 14s

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