feat(theme): update theme bundle to v1.18.0

[bonita-ci]

Make Antora use the new bundle theme: bonita-documentation-theme-v1.18.0.zip Release notes: https://github.com/bonitasoft/bonita-documentation-theme/releases/tag/v1.18.0

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions[bot]]

:recycle: PR Preview 24bbb4993a68e65256ddecbe6881b78e93091fc9 has been successfully destroyed since this PR has been closed.

_{🤖 By surge-preview}

[github-actions[bot]]

:recycle: PR Preview 24bbb4993a68e65256ddecbe6881b78e93091fc9 has been successfully destroyed since this PR has been closed.

_{🤖 By surge-preview}