Update version and changelog for 4.7.1

Author: aldas

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## v4.7.1 - 2022-03-13
+
+**Fixes**
+
+* Fix `e.Static`, `.File()`, `c.Attachment()` being picky with paths starting with `./`, `../` and `/` after 4.7.0 introduced echo.Filesystem support (Go1.16+) [#2123](https://github.com/labstack/echo/pull/2123)
+
+**Enhancements**
+
+* Remove some unused code [#2116](https://github.com/labstack/echo/pull/2116)
+
+
 ## v4.7.0 - 2022-03-01
 
 **Enhancements**

echo.go

@@ -246,7 +246,7 @@ const (
 
 const (
 	// Version of Echo
-	Version = "4.7.0"
+	Version = "4.7.1"
 	website = "https://echo.labstack.com"
 	// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
 	banner = `