refactor: remove deprecated ioutils

Author: jbedard

language/js/proto/proto.go

@@ -2,8 +2,8 @@ package gazelle
 
 import (
 	"bytes"
-	"io/ioutil"
 	"log"
+	"os"
 	"regexp"
 	"slices"
 	"strconv"
@@ -53,7 +53,7 @@ func IsRulesTsProtoBuiltin(imp string) bool {
 }
 
 func GetProtoImports(filepath string) ([]string, error) {
-	content, err := ioutil.ReadFile(filepath)
+	content, err := os.ReadFile(filepath)
 	if err != nil {
 		return nil, err
 	}