Bump ureq from 0.11.0 to 0.11.1 (#5905)

Bumps [ureq](https://github.com/algesten/ureq) from 0.11.0 to 0.11.1.
- [Release notes](https://github.com/algesten/ureq/releases)
- [Commits](https://github.com/algesten/ureq/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

programs/btc_spv_bin/Cargo.toml

@@ -9,7 +9,7 @@ clap="2.33.0"
 serde="1.0.100"
 serde_derive="1.0.100"
 serde_json = "1.0.40"
-ureq = { version = "0.11.0", features = ["json"] }
+ureq = { version = "0.11.1", features = ["json"] }
 
 [[bin]]
 name = "blockheaders"