Update shred to 0.16.0 #47

Job	Run time
Miri	5m 44s
Tests (macos-latest, stable)	4m 25s
Tests (macos-latest, beta)	4m 21s
Tests (macos-latest, nightly)	4m 47s
Tests (macos-latest, 1.70.0)	3m 16s
Tests (windows-latest, stable)	2m 48s
Tests (windows-latest, beta)	3m 6s
Tests (windows-latest, nightly)	3m 25s
Tests (windows-latest, 1.70.0)	2m 49s
Tests (ubuntu-latest, stable)	1m 53s
Tests (ubuntu-latest, beta)	1m 42s
Tests (ubuntu-latest, nightly)	1m 59s
Tests (ubuntu-latest, 1.70.0)	1m 55s
	42m 10s

Provide feedback