Composer(deps): Bump symfony/mailer from 8.0.12 to 8.1.0 in /web (#1494)

Bumps [symfony/mailer](https://github.com/symfony/mailer) from 8.0.12 to 8.1.0.
- [Release notes](https://github.com/symfony/mailer/releases)
- [Changelog](https://github.com/symfony/mailer/blob/8.2/CHANGELOG.md)
- [Commits](symfony/mailer@v8.0.12...v8.1.0)

---
updated-dependencies:
- dependency-name: symfony/mailer
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]