Auto merge of #97893 - ehuss:update-cargo, r=ehuss

Update cargo

7 commits in 38472bc19f2f76e245eba54a6e97ee6821b3c1db..85e457e158db216a2938d51bc3b617a5a7fe6015
2022-05-31 02:03:24 +0000 to 2022-06-07 21:57:52 +0000
- Make -Z http-registry use index.crates.io when accessing crates-io (rust-lang/cargo#10725)
- Respect submodule update=none strategy in .gitmodules (rust-lang/cargo#10717)
- Expose rust-version through env var (rust-lang/cargo#10713)
- add validation for string "true"/"false" in lto profile (rust-lang/cargo#10676)
- Enhance documentation of testing (rust-lang/cargo#10726)
- Clear disk space on CI. (rust-lang/cargo#10724)
- Enforce to use tar v0.4.38 (rust-lang/cargo#10720)

Cargo.lock

@@ -5158,9 +5158,9 @@ dependencies = [
 
 [[package]]
 name = "tar"
-version = "0.4.37"
+version = "0.4.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6f5515d3add52e0bbdcad7b83c388bb36ba7b754dda3b5f5bc2d38640cdba5c"
+checksum = "4b55807c0344e1e6c04d7c965f5289c39a8d94ae23ed5c0b57aabac549f871c6"
 dependencies = [
  "filetime",
  "libc",