Replace all instances of fmt.Errorf(%v) with fmt.Errorf(%w) (#21551)

Found using
`find . -type f -name '*.go' -print -exec vim {} -c
':%s/fmt\.Errorf(\(.*\)%v\(.*\)err/fmt.Errorf(\1%w\2err/g' -c ':wq' \;`

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/markup/external/external.go

@@ -90,7 +90,7 @@ func (p *Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.
 		// write to temp file
 		f, err := os.CreateTemp("", "gitea_input")
 		if err != nil {
-			return fmt.Errorf("%s create temp file when rendering %s failed: %v", p.Name(), p.Command, err)
+			return fmt.Errorf("%s create temp file when rendering %s failed: %w", p.Name(), p.Command, err)
 		}
 		tmpPath := f.Name()
 		defer func() {
@@ -102,12 +102,12 @@ func (p *Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.
 		_, err = io.Copy(f, input)
 		if err != nil {
 			f.Close()
-			return fmt.Errorf("%s write data to temp file when rendering %s failed: %v", p.Name(), p.Command, err)
+			return fmt.Errorf("%s write data to temp file when rendering %s failed: %w", p.Name(), p.Command, err)
 		}
 
 		err = f.Close()
 		if err != nil {
-			return fmt.Errorf("%s close temp file when rendering %s failed: %v", p.Name(), p.Command, err)
+			return fmt.Errorf("%s close temp file when rendering %s failed: %w", p.Name(), p.Command, err)
 		}
 		args = append(args, f.Name())
 	}
@@ -137,7 +137,7 @@ func (p *Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.
 	process.SetSysProcAttribute(cmd)
 
 	if err := cmd.Run(); err != nil {
-		return fmt.Errorf("%s render run command %s %v failed: %v", p.Name(), commands[0], args, err)
+		return fmt.Errorf("%s render run command %s %v failed: %w", p.Name(), commands[0], args, err)
 	}
 	return nil
 }