🐛 Bug Report
Lib version: 4.4.1

Steps To Reproduce
const wb = new ExcelJS.Workbook();
const ws1 = wb.addWorksheet('Sheet1');
const ws2 = wb.addWorksheet('Sheet2');
// internal link
ws1.getCell('A1').value = { text: 'Sheet2', hyperlink: '#\'Sheet2\'!A1' };
The expected behaviour:
Possible solution (optional, but very helpful):