build(deps): bump holidays from 0.80 to 0.81 in /dev-tools/scripts (#15274)

Bumps [holidays](https://github.com/vacanza/holidays) from 0.80 to 0.81.
- [Release notes](https://github.com/vacanza/holidays/releases)
- [Changelog](https://github.com/vacanza/holidays/blob/dev/CHANGES.md)
- [Commits](vacanza/holidays@v0.80...v0.81)

---
updated-dependencies:
- dependency-name: holidays
  dependency-version: '0.81'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

dev-tools/scripts/requirements.txt

@@ -3,7 +3,7 @@ Jinja2==3.1.6
 # parsing and processing of releaseWizard.yaml
 PyYAML==6.0.3
 # international holidays in releaseWizard
-holidays==0.80
+holidays==0.81
 # calendar processing in releaseWizard
 ics==0.7.2
 # terminal processing in releaseWizard