Bump tecnickcom/tcpdf from 6.4.2 to 6.7.4

Bumps [tecnickcom/tcpdf](https://github.com/tecnickcom/TCPDF) from 6.4.2 to 6.7.4.
- [Changelog](https://github.com/tecnickcom/TCPDF/blob/main/CHANGELOG.TXT)
- [Commits](tecnickcom/TCPDF@6.4.2...6.7.4)

---
updated-dependencies:
- dependency-name: tecnickcom/tcpdf
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>