Bump mpdf/mpdf from 8.1.6 to 8.2.0

Bumps [mpdf/mpdf](https://github.com/mpdf/mpdf) from 8.1.6 to 8.2.0.
- [Release notes](https://github.com/mpdf/mpdf/releases)
- [Changelog](https://github.com/mpdf/mpdf/blob/development/CHANGELOG.md)
- [Commits](mpdf/mpdf@v8.1.6...v8.2.0)

---
updated-dependencies:
- dependency-name: mpdf/mpdf
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

composer.lock

@@ -36,4 +36,5 @@
 - Bump phpstan/phpstan-phpunit from 1.3.13 to 1.3.14 by [@dependabot](https://github.com/dependabot) in [#2457](https://github.com/PHPOffice/PHPWord/pull/2457)
 - Bump symfony/process from 5.4.26 to 5.4.28 by [@dependabot](https://github.com/dependabot) in [#2456](https://github.com/PHPOffice/PHPWord/pull/2456)
 - Bump phpunit/phpunit from 9.6.10 to 9.6.11 by [@dependabot](https://github.com/dependabot) in [#2455](https://github.com/PHPOffice/PHPWord/pull/2455)
-- Remove deprecated utf8_encode in PHP 8.2 by [@mhcwebdesign](https://github.com/mhcwebdesign) in [#2447](https://github.com/PHPOffice/PHPWord/pull/2447) & [#2472](https://github.com/PHPOffice/PHPWord/pull/2472)
+- Remove deprecated utf8_encode in PHP 8.2 by [@mhcwebdesign](https://github.com/mhcwebdesign) in [#2447](https://github.com/PHPOffice/PHPWord/pull/2447) & [#2472](https://github.com/PHPOffice/PHPWord/pull/2472)
+- Bump mpdf/mpdf from 8.1.6 to 8.2.0 by [@dependabot](https://github.com/dependabot) in [#2480](https://github.com/PHPOffice/PHPWord/pull/2480)