Bump adodb/adodb-php from 5.20.17 to 5.20.18

Bumps [adodb/adodb-php](https://github.com/ADOdb/ADOdb) from 5.20.17 to 5.20.18.
- [Release notes](https://github.com/ADOdb/ADOdb/releases)
- [Changelog](https://github.com/ADOdb/ADOdb/blob/5.20.18/docs/changelog.md)
- [Commits](ADOdb/ADOdb@v5.20.17...5.20.18)

Fixes #26837, PR #1681

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