Update Rust crate assert_cmd to 2.0.8 (#204)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -47,6 +47,6 @@ tar = "0.4.38"
 zip = "0.6.3"
 
 [dev-dependencies]
-assert_cmd = "2.0.7"
+assert_cmd = "2.0.8"
 assert_fs = "1.0.10"
 predicates = "2.1.5"