Auto merge of #154734 - weihanglo:update-cargo, r=<try>

Update cargo submodule


try-job: dist-x86_64-freebsd
try-job: dist-x86_64-illumos
try-job: dist-x86_64-netbsd
try-job: dist-x86_64-solaris
try-job: dist-x86_64-apple
try-job: dist-powerpc-linux-gnu
try-job: dist-riscv64-linux

Author: bors

.gitmodules

@@ -4,7 +4,8 @@
 	shallow = true
 [submodule "src/tools/cargo"]
 	path = src/tools/cargo
-	url = https://github.com/rust-lang/cargo.git
+	url = https://github.com/weihanglo/cargo.git
+	branch = libz-sys
 	shallow = true
 [submodule "src/doc/reference"]
 	path = src/doc/reference