Python-base-app

* General update of all libraries:
* Flask-WTF>=1.1.1
* Flask>=2.3.2
* Jinja2>=3.1.2
* MarkupSafe>=2.1.3
* WTForms>=3.0.1
* coverage>=7.2.7
* flask-login>=0.6.2
* pytest>=7.4.0
* python-dateutil>=2.8.2
* python-google-speak>=0.2.1
* requests>=2.31.0
* secure>=0.3.0
* some-flask-helpers>=0.2.3
* urllib3>=2.0.4

* Upgrade to package `Flask` > 2
* Upgrade to `some-flask-helpers` 0.2.3

* Add `tools.get_ip_addresses_by_dns_name`

* Add field `TextArea` with lockable width
* Closes [LittleBrother 174](https://github.com/marcus67/little_brother/issues/174)

* Add dependency on `python_google_speak` again
* Temporarily deactivate OWASP checks
* Refrain from importing module `pwd` on Windows systems
* Refrain from using `signal.SIGHUP` and `pthread_sigmask` on Windows systems
* Derive path of temporary directory in a platform independent way
* Support command line pattern for calling audio playback executable (e.g. vlc)
* Added some debugging output
* Build URLs in a platform independent way

* New method `tools.get_ip_address_by_dns_name`
* Improve exception handling for `RecurringTask`
* Explicitly set `LANG` when calling `ping`
* Extract LDAP functionality into a repository of its own
* Add support for `VulScan`