fix: Security hardening and bug fixes for v0.3.0 #52

Job	Run time
publish-android	19m 32s
publish-tauri (windows-latest)	42m 7s
publish-tauri (macos-latest, --target x86_64-apple-darwin)	23m 13s
publish-tauri (ubuntu-22.04)	16m 33s
publish-tauri (macos-latest, --target aarch64-apple-darwin)	15m 10s
	1h 56m 35s

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