v15.17.0

What's Changed

• feat(Payroll): allow overwriting tax component through additional salary (backport #1600) by @mergify in #1621
• ci: fix flaky test data (backport #1619) by @mergify in #1622
• fix: employee filter in list view of shift assignment (backport #1624) by @mergify in #1627
• fix: shift type filter in list view of shift assignment (backport #1625) by @mergify in #1629
• fix: use reference name while updating exc rate (backport #1623) by @mergify in #1635
• feat: show holidays and colour code in attendance calendar (backport #1595) by @mergify in #1636
• feat: Leave Ledger Report (backport #1381) by @mergify in #1641

Full Changelog: v15.16.0...v15.17.0