Fix the CI failing due to which crate

Signed-off-by: Harshil Jani <[email protected]>

Author: Harshil-Jani

contrib/test.sh

@@ -16,6 +16,7 @@ if cargo --version | grep "1\.41\.0"; then
     cargo update -p form_urlencoded --precise 1.0.1
     cargo update -p once_cell --precise 1.13.1
     cargo update -p bzip2 --precise 0.4.2
+    cargo update -p which --precise 4.3.0
 fi
 
 # Pin dependencies required to build with Rust 1.47.0