fix(webp): fix installing newer version of webp

.vscode/launch.json

@@ -4,6 +4,13 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "name": "Launch file",
+      "type": "go",
+      "request": "launch",
+      "mode": "debug",
+      "program": "${file}"
+    },
     {
       "name": "Optimize Testdata",
       "type": "go",

pkg/converter/webp/webp_provider.go

@@ -1,10 +1,13 @@
 package webp
 
 import (
-	"github.com/belphemur/go-webpbin/v2"
+	"fmt"
 	"image"
 	"io"
+	"strings"
 	"sync"
+
+	"github.com/belphemur/go-webpbin/v2"
 )
 
 const libwebpVersion = "1.6.0"
@@ -15,8 +18,18 @@ func PrepareEncoder() error {
 	prepareMutex.Lock()
 	defer prepareMutex.Unlock()
 	container := webpbin.NewCWebP(webpbin.SetLibVersion(libwebpVersion))
-	return container.BinWrapper.Run()
+	version, err := container.Version()
+	if err != nil {
+		return err
+	}
+
+	if !strings.HasPrefix(version, libwebpVersion) {
+		return fmt.Errorf("unexpected webp version: got %s, want %s", version, libwebpVersion)
+	}
+
+	return nil
 }
+
 func Encode(w io.Writer, m image.Image, quality uint) error {
 	return webpbin.NewCWebP(webpbin.SetLibVersion(libwebpVersion)).
 		Quality(quality).