[third-party/rust] Rename reqwest-0-13 to reqwest

Test Plan: `xbgs third-party/rust:reqwest -l | sed 's,^fbsource/,,' | rg -v -e '^third-party/rust/' -e '^third-party/nativelink/' -e '^third-party/pore/' -e '^third-party/zerobus/' -e '^fbcode/scripts/' | xargs arc rust-check`

Reviewed By: diliop

Differential Revision: D95386060

fbshipit-source-id: 9362ca75794c61fd5294dc0fe8eb1cc7fdb78978

Author: David Tolnay

antlir/antlir2/package_managers/snapshot/BUCK

@@ -22,7 +22,7 @@ rust_binary(
         "futures",
         "hex",
         "liblzma",
-        "reqwest-0-13",
+        "reqwest",
         "sequoia-openpgp",
         "serde",
         "serde_json",