Update version and changelog for 4.3.0

Author: aldas

CHANGELOG.md

@@ -1,5 +1,29 @@
 # Changelog
 
+## v4.3.0 - 2021-05-08
+
+**Important notes**
+
+* Route matching has improvements for following cases:
+  1. Correctly match routes with parameter part as last part of route (with trailing backslash)
+  2. Considering handlers when resolving routes and search for matching http method handler
+* Echo minimal Go version is now 1.13. 
+
+**Fixes**
+
+* When url ends with slash first param route is the match [#1804](https://github.com/labstack/echo/pull/1812)
+* Router should check if node is suitable as matching route by path+method and if not then continue search in tree [#1808](https://github.com/labstack/echo/issues/1808)
+* Fix timeout middleware not writing response correctly when handler panics [#1864](https://github.com/labstack/echo/pull/1864)
+* Fix binder not working with embedded pointer structs [#1861](https://github.com/labstack/echo/pull/1861)
+* Add Go 1.16 to CI and drop 1.12 specific code [#1850](https://github.com/labstack/echo/pull/1850)
+
+**Enhancements**
+
+* Make KeyFunc public in JWT middleware [#1756](https://github.com/labstack/echo/pull/1756)
+* Add support for optional filesystem to the static middleware [#1797](https://github.com/labstack/echo/pull/1797)
+* Add a custom error handler to key-auth middleware [#1847](https://github.com/labstack/echo/pull/1847)
+* Allow JWT token to be looked up from multiple sources [#1845](https://github.com/labstack/echo/pull/1845)
+
 ## v4.2.2 - 2021-04-07
 
 **Fixes**

echo.go

@@ -234,7 +234,7 @@ const (
 
 const (
 	// Version of Echo
-	Version = "4.2.2"
+	Version = "4.3.0"
 	website = "https://echo.labstack.com"
 	// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
 	banner = `