Update deps

* Updates `cookie` from `0.17` to `0.18`
* Updates `cookie_store` from `0.20` to `0.21`
* Unpins `url` now that `cookie_store`'s deps have been updated
  to match the latest `cookie` and `url` versions, so there will not
  be any duplicate dependencies.
* Regenerates `Cargo.lock` to clean up the duplicates and pick up
  some other small transitive dependency updates.

Changelogs:
https://github.com/SergioBenitez/cookie-rs/blob/master/CHANGELOG.md#version-0180-oct-9-2023
https://github.com/pfernie/cookie_store/blob/master/CHANGELOG.md#0210---2024-02-08
https://github.com/servo/rust-url/releases/tag/v2.4.0
https://github.com/servo/rust-url/releases/tag/v2.4.1
https://github.com/servo/rust-url/releases/tag/v2.5.0

Closes #720.

CHANGELOG.md

@@ -1,3 +1,9 @@
+# Unreleased
+
+## Fixed
+
+  * Update deps (`cookie` 0.18, `cookie_store` 0.21, unpin `url`). (#722)
+
 # 2.9.4
 
 ## Fixed

Cargo.toml

@@ -38,18 +38,14 @@ proxy-from-env = []
 
 [dependencies]
 base64 = "0.21"
-# cookie_store 0.20 pins cookie at v0.17
-cookie = { version = "0.17", default-features = false, optional = true }
+cookie = { version = "0.18", default-features = false, optional = true }
 once_cell = "1"
-# cookie_store 0.20 pins idna at v0.3.0
-# url > 2.3.1 brings in idna v0.5.0, so this dep
-# must be fixed until cookie_store upgrades to cookie v0.18
-url = "=2.3.1"
+url = "2"
 socks = { version = "0.3", optional = true }
 serde = { version = "1", optional = true }
 serde_json = { version = ">=1.0.97", optional = true }
 encoding_rs = { version = "0.8", optional = true }
-cookie_store = { version = "0.20", optional = true, default-features = false, features = ["preserve_order"] }
+cookie_store = { version = "0.21", optional = true, default-features = false, features = ["preserve_order"] }
 log = "0.4"
 webpki = { package = "rustls-webpki", version = "0.102", optional = true }
 webpki-roots = { version = "0.26", optional = true }