Update README.md and Version

Author: FlashSystems

Cargo.lock

@@ -4,7 +4,7 @@ description = "FastCGI handler (responder, authorizer, filter) library for Tokio
 license = "Apache-2.0"
 keywords = [ "protocol", "fastcgi", "web", "tokio", "async" ]
 categories = [ "web-programming", "network-programming", "asynchronous" ]
-version = "1.2.0"
+version = "1.3.0"
 authors = ["Daniel Goß <developer@flashsystems.de>"]
 edition = "2021"
 homepage = "https://github.com/FlashSystems/tokio-fastcgi"
@@ -19,4 +19,4 @@ byteorder = "1"
 
 [dev-dependencies]
 tokio = { version = "1", features = ["test-util", "net", "rt-multi-thread"] }
-tokio-test = "0.4"
+tokio-test = "0.4"

Cargo.toml

@@ -40,3 +40,7 @@ The library contains two examples: [A bare bones one](https://github.com/FlashSy
 
 * Version 1.2.0\
   Fix bug #4: Under heavy load, FastCGI responses are not delivered correctly. This makes the FastCGI protocol fail and connections get dropped with various error messages. This release fixes this problem. The `tokio-fastcgi` library is now stable even under heavy load.
+
+* Version 1.3.0\
+  Two dependencies removed, whose functionality has been integrated into the standard library. The library remained unchanged, but the tests and examples have been revised. (Thanks to @linkmauve)\
+  Update to the dependency versions.