pgAdmin 4 v7.8 Released

The pgAdmin Development Team is pleased to announce pgAdmin 4 version 7.8. This release of pgAdmin 4 includes 21 bug fixes and new features. For more details please see the [release notes](https://www.pgadmin.org/docs/pgadmin4/7.8/release_notes_7_8.html).

pgAdmin is the leading Open Source graphical management tool for PostgreSQL. For more information, please see [the website](https://www.pgadmin.org/).

Notable changes in this release include:

### Features:
* GUI representation of the system's activity using the 'system_stats' extension.

This feature is used to see the GUI representation of the system's activity using the 'system_stats' extension. Added a new tab 'System Statistics' under the Dashboard tab. This new tab contains the details about CPU, Memory, and Storage.

* Add support for foreign table's new functionality for PG 11 and above.
* Allow setting custom username for shared servers, with default as username of server being shared.
* Add 'GENERATED ALWAYS AS..' option while creating column constraints for Foreign Table.
* Added 'load_balance_hosts' connection string parameter for PG 16 and above.

### Bugs/Housekeeping:
* Fixed an issue in ERD tool where the downloaded images have a few links cut.
* Fixed an issue where user was not able to assign new/old columns as primary key once column with primary key is deleted.
* Add support for setting prepare threshold in server connection.
* Fix an issue where global/native keyboard shortcuts are not working when any cell of data output grid has focus.
* Fixed query history slowness issue by storing query only for those having certain threshold max length.
* Ensure that the backup works properly for PG 16 on the latest docker image.
* Fixed an issue where non-super PostgreSQL users are not able to terminate their own connections from dashboard.
* Fix an issue where scale in columns is not allowed to have value as 0 or below.
* Fix an issue in graphical explain plan where query tool crashes when the plan has parallel workers details and sort node is clicked for details.
* Fix an issue where user login is not working if username/email contains single quote in server mode.

Builds for Windows and macOS are available now, along with a Python Wheel, Docker Container, RPM, DEB Package, and source code tarball from the [tarball area](https://www.pgadmin.org/download/).