Update t3olayout to version 3.7.0

Closes #376

See merge request t3o/my!167

* [FEATURE] Add typoscript linter
* [FEATURE] Add case study list view
* [FEATURE] Add translated news"
* [BUGFIX] Adjust contact form
* [BUGFIX] Remove Old Accordion Element
* [BUGFIX] Remove Roadmap Template
* [BUGFIX] category link on news detail pages doesn't work
* [BUGFIX] Related News / Related Files look ugly
* [BUGFIX] Show full teaser in news list
* [BUGFIX] Resolve "Cookie banner hides feedback banner"
* [BUGFIX] Resolve "buttons on login page have wrong background (or wrong text color)"
* [TASK] Update to Jquery 3.4.0

Resolve "use-typo3-slack error page"

Closes #321

See merge request t3o/my!164

Resolve "User Confirmation is broken" / update to femanager 5.1.1

Closes #317

See merge request t3o/my!162

[Bugfix] update viewhelpers for version 9

See merge request t3o/my!160

Last fixes for running in TYPO3 v9

See merge request t3o/my!158

Some fixes for TYPO3 v9

See merge request t3o/my!157

Update my.typo3.org to TYPO3 v9

See merge request t3o/my!156

* Remove SQL dump file
* Update userprofile to 0.3.0
* Fix issues and deprecations in project extensions
* Replace TYPO3_DB occurences with Doctrine
* Add Site for my.typo3.org

Task/update environment

See merge request t3o/my!155

[TASK] Update to ddev 1.8.0

See merge request t3o/my!154