chore: Update snapbox

Author: epage

Cargo.lock

@@ -103,7 +103,7 @@ xz2 = "0.1.3"
 zstd = { version = "0.13", default-features = false }
 
 # test only (depends on `test` feature)
-snapbox = { version = "0.6.21", optional = true }
+snapbox = { version = "0.6.22", optional = true }
 walkdir = { version = "2", optional = true }
 
 [target."cfg(windows)".dependencies]