fix: use working external links

[tbouffard]

DISCLAIMER: this is a WIP, please don't close

Also fix some internal references using wrong hash and that weren't detected by Antora during the validation of references.

Covers https://github.com/bonitasoft/bonita-documentation-site/issues/430 Covers https://github.com/bonitasoft/bonita-documentation-site/issues/584

[github-actions[bot]]

🎊 PR Preview 6869c24998aaa955ae5642a2e2e460a006358ff5 has been successfully built and deployed to https://bonitasoft-bonita-doc-build_preview-pr-2647.surge.sh

:clock1: Build time: 0.011s

_{🤖 By surge-preview}

[github-actions[bot]]

:memo: Contribution Summary

To merge this Pull Request, you need to check your updates with the following URL.

:link: Updated pages

[!NOTE] The following pages were updated, please ensure that the display is correct:

• [ ] applications/use-bonita-acm
• [ ] identity/single-sign-on-with-cas
• [ ] identity/single-sign-on-with-oidc
• [ ] process/cmis
• [ ] runtime/custom-deployment
• [ ] runtime/how-a-bdm-is-deployed
• [ ] runtime/performance-troubleshooting
• [ ] runtime/tomcat-bundle
• [ ] software-extensibility/custom-library-development

[github-actions[bot]]

This PR is stale because it has been open 14 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[bonita-ci]

🎊 PR Preview 3e68300139629a151c3fc01ba14a3411e2d67eba has been successfully built and deployed to https://bonitasoft-bonita-doc-deploy-pr-2647.surge.sh

🕐 Build time: 0.01s

_{🤖 By surge-preview}