update scm-manager source code link (bitbucket Repository unavailable - Bitbucket no longer supports Mercurial repositories.)

README.md

@@ -1354,7 +1354,7 @@ _See also [Ticketing](#ticketing), [Task management/To-do lists](#task-managemen
 - [Re:Backlogs](https://github.com/kaishuu0123/rebacklogs) - Project management and collaboration tool powered by Ruby on Rails & VueJS. ([Demo](https://rebacklogs.saino.me/users/sign_up)) `MIT` `Ruby`
 - [Redmine](http://www.redmine.org/) - Redmine is a flexible project management web application. ([Demo](http://demo.redmine.org/), [Source Code](https://svn.redmine.org/redmine/)) `GPL-2.0` `Ruby`
 - [RhodeCode](https://rhodecode.com/) - RhodeCode is an open source platform for software development teams. It unifies and simplifies repository management for Git, Subversion, and Mercurial. ([Demo](https://try.rhodecode.com/), [Source Code](https://code.rhodecode.com/)) `AGPL-3.0` `Python`
-- [SCM Manager](https://www.scm-manager.org/) - The easiest way to share and manage your Git, Mercurial and Subversion repositories over http. ([Source Code](https://bitbucket.org/sdorra/scm-manager/src)) `BSD-3-Clause` `Java`
+- [SCM Manager](https://www.scm-manager.org/) - The easiest way to share and manage your Git, Mercurial and Subversion repositories over http. ([Source Code](https://github.com/scm-manager/scm-manager)) `BSD-3-Clause` `Java`
 - [sorcia](https://sorcia.org) - Sorcia is a minimalist web frontend for Git repositories with fine-grained user access controls, multiple themes to choose based on your taste and many more. ([Source Code](https://git.mysticmode.org/r/sorcia)) `AGPL-3.0` `Go`
 - [Taiga](https://taiga.io/) - Agile Project Management Tool based on the Kanban and Scrum methods. ([Source Code](https://github.com/taigaio)) `AGPL-3.0` `Python`
 - [Titra](https://titra.io/en/free-time-tracking-online/) - Time-tracking solution for freelancers and small teams. ([Demo](https://app.titra.io/try), [Source Code](https://github.com/kromitgmbh/titra)) `GPL-3.0` `JavaScript`