Move ureq to workspace dependency

This is in preparation for using it from xtask.

Author: nicholasbishop

Cargo.toml

@@ -4,3 +4,6 @@ resolver = "2"
 
 [workspace.package]
 edition = "2021"
+
+[workspace.dependencies]
+ureq = { version = "3.0", default-features = false, features = ["rustls"] }

ovmf-prebuilt/Cargo.toml

@@ -13,4 +13,4 @@ log = "0.4"
 lzma-rs = "0.3"
 sha2 = "0.10"
 tar = "0.4"
-ureq = { version = "3.0", default-features = false, features = ["rustls"] }
+ureq.workspace = true