build(deps): bump github.com/labstack/echo/v4 from 4.7.2 to 4.8.0

Bumps [github.com/labstack/echo/v4](https://github.com/labstack/echo) from 4.7.2 to 4.8.0.
- [Release notes](https://github.com/labstack/echo/releases)
- [Changelog](https://github.com/labstack/echo/blob/master/CHANGELOG.md)
- [Commits](https://github.com/labstack/echo/compare/v4.7.2...v4.8.0)

---
updated-dependencies:
- dependency-name: github.com/labstack/echo/v4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/labstack/echo/v4/middleware/static.go

@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"errors"
 	"fmt"
 	"html/template"
 	"net/http"
@@ -196,8 +197,8 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 					return err
 				}
 
-				he, ok := err.(*echo.HTTPError)
-				if !(ok && config.HTML5 && he.Code == http.StatusNotFound) {
+				var he *echo.HTTPError
+				if !(errors.As(err, &he) && config.HTML5 && he.Code == http.StatusNotFound) {
 					return err
 				}