enable errorlint linter

pkg/yqlib/front_matter.go

@@ -2,6 +2,7 @@ package yqlib
 
 import (
 	"bufio"
+	"errors"
 	"io"
 	"os"
 )
@@ -63,7 +64,7 @@ func (f *frontMatterHandlerImpl) Split() error {
 
 	for {
 		peekBytes, err := reader.Peek(3)
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			// we've finished reading the yaml content..I guess
 			break
 		} else if err != nil {
@@ -75,7 +76,7 @@ func (f *frontMatterHandlerImpl) Split() error {
 		}
 		line, errReading := reader.ReadString('\n')
 		lineCount = lineCount + 1
-		if errReading != nil && errReading != io.EOF {
+		if errReading != nil && !errors.Is(errReading, io.EOF) {
 			return errReading
 		}