Bump github.com/apple/swift-nio from 2.69.0 to 2.70.0 #357

Job	Run time
variables	1s
test-spm (ubuntu, 0) / determine-versions	4s
test-spm (macOS, 0) / determine-versions	1s
test-spm (macOS, 1) / determine-versions	4s
test-spm (ubuntu, 1) / determine-versions	3s
test-xcode (macOS, 0) / determine-versions	4s
test-xcode (macOS, 1) / determine-versions	2s
test-spm (macOS, 0) / run-tests	2m 16s
test-xcode (macOS, 1) / run-tests	6m 53s
test-xcode (macOS, 0) / run-tests	5m 43s
test-spm (macOS, 1) / run-tests	2m 34s
test-spm (ubuntu, 1) / run-tests	3m 46s
test-spm (ubuntu, 0) / run-tests	3m 29s
	25m 0s

Provide feedback