Adds libsodium integration tests #3932

Job	Run time
Build TinyGo test binary	4s
wasi-testsuite (ubuntu-22.04)	21s
wasi-testsuite (macos-12)	1m 6s
wasi-testsuite (windows-2022)	2m 3s
Build Zig test binary	4s
libsodium (Ubuntu, , optimizing)	6m 31s
libsodium (macOS, , optimizing)	5m 15s
Go-1.21 (Ubuntu, amd64, baseline)	6m 33s
Go-1.22 (Ubuntu, amd64, baseline)	6m 41s
Go-1.21 (macOS, amd64, baseline)	6m 54s
Go-1.22 (macOS, amd64, baseline)	6m 41s
Go-1.21 (Windows, amd64, baseline)	7m 43s
Go-1.22 (Windows, amd64, baseline)	7m 36s
Go-1.21 (macOS, arm64, optimizing)	6m 53s
Go-1.22 (macOS, arm64, optimizing)	6m 32s
Go-1.21 (Ubuntu, amd64, optimizing)	8m 17s
Go-1.22 (Ubuntu, amd64, optimizing)	8m 25s
Zig (Ubuntu, amd64, baseline)	4m 4s
Zig (macOS, amd64, baseline)	7m 8s
Zig (Windows, amd64, baseline)	7m 1s
Zig (macOS, arm64, optimizing)	1m 41s
Zig (Ubuntu, amd64, optimizing)	2m 1s
TinyGo (Ubuntu, amd64, baseline)	2m 0s
TinyGo (macOS, amd64, baseline)	2m 30s
TinyGo (Windows, amd64, baseline)	3m 4s
TinyGo (macOS, arm64, optimizing)	3m 15s
TinyGo (Ubuntu, amd64, optimizing)	2m 31s
	2h 2m 54s

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