Use tiny_http for handling login HTTP request

Our manual HTTP parsing and encoding was not working with Safari.

Co-Authored-By: Antonio Scandurra <me@as-cii.com>

Cargo.lock

@@ -117,6 +117,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "ascii"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbf56136a5198c7b01a49e3afcbef6cf84597273d298f54432926024107b0109"
+
 [[package]]
 name = "async-channel"
 version = "1.6.1"
@@ -558,6 +564,12 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "chunked_transfer"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fff857943da45f546682664a79488be82e69e43c1a7a2307679ab9afb3a66d2e"
+
 [[package]]
 name = "cipher"
 version = "0.2.5"
@@ -3773,6 +3785,19 @@ dependencies = [
  "safe_arch",
 ]
 
+[[package]]
+name = "tiny_http"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ce51b50006056f590c9b7c3808c3bd70f0d1101666629713866c227d6e58d39"
+dependencies = [
+ "ascii",
+ "chrono",
+ "chunked_transfer",
+ "log",
+ "url",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.2.0"
@@ -4301,6 +4326,7 @@ dependencies = [
  "smol",
  "surf",
  "tempdir",
+ "tiny_http",
  "toml 0.5.8",
  "tree-sitter",
  "tree-sitter-rust",