Bump roles/robertdebock.fail2ban from 42cd683 to a7bca1e

Bumps [roles/robertdebock.fail2ban](https://github.com/robertdebock/ansible-role-fail2ban) from `42cd683` to `a7bca1e`.
- [Release notes](https://github.com/robertdebock/ansible-role-fail2ban/releases)
- [Commits](robertdebock/ansible-role-fail2ban@42cd683...a7bca1e)

---
updated-dependencies:
- dependency-name: roles/robertdebock.fail2ban
  dependency-type: direct:production
...

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