Update percent-encoding requirement from 1.0.1 to 2.0.0

Updates the requirements on [percent-encoding](https://github.com/servo/rust-url) to permit the latest version.
- [Release notes](https://github.com/servo/rust-url/releases)
- [Commits](servo/rust-url@percent-encoding-v1.0.1...percent-encoding-v2.0.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

Cargo.toml

@@ -53,7 +53,7 @@ log = "0.4.6"
 log4rs = "0.8.3"
 mime = "0.3.13"
 mime_guess = "2.0.0-alpha.6"
-percent-encoding = "1.0.1"
+percent-encoding = "2.0.0"
 serde = { version = "1.0.91", features = ["derive"] }
 tera = "0.11"
 runtime = "0.3.0-alpha.6"