improvement: replace reqwest with attohttpc (#999)

Cargo.toml

@@ -22,7 +22,10 @@ maintenance = { status = "actively-developed" }
 
 [features]
 default = ["battery", "http"]
-http = ["reqwest"]
+http = ["attohttpc"]
+# Vendor OpenSSL, use this if you have trouble cross-compiling starship
+tls-vendored = ["native-tls/vendored"]
+
 
 [dependencies]
 clap = "2.33.0"
@@ -51,13 +54,14 @@ regex = "1.3.5"
 os_info = "2.0.1"
 urlencoding = "1.0.0"
 open = "1.4.0"
-# OpenSSL causes problems when building a MUSL release. Opting to use native SSL implementation
-# see: https://github.com/richfelker/musl-cross-make/issues/65#issuecomment-509790889
-reqwest = { version = "0.10.4", default-features = false, optional = true, features = ["blocking", "rustls-tls"] }
 unicode-width = "0.1.7"
 textwrap = "0.11.0"
 term_size = "0.3.1"
 
+# Optional/http:
+attohttpc = { version = "0.12.0", optional = true, default-features = false, features = ["tls", "form"] }
+native-tls = { version = "0.2", optional = true }
+
 [dev-dependencies]
 tempfile = "3.1.0"