Upgrade civet

Author: alexcrichton

git2-curl/Cargo.toml

@@ -20,7 +20,7 @@ log = "0.4"
 git2 = { path = "..", version = "0.7", default-features = false }
 
 [dev-dependencies]
-civet = "0.9"
+civet = "0.11"
 conduit = "0.8"
 conduit-git-http-backend = "0.8"
 tempfile = "3.0"