Newsletter draft for June 2022 (#406)

* June 2022 newsletter draft

* Update GitHub stats data

* Flang Updates for June 2022

* Add LFortran updates

Co-authored-by: Ondřej Čertík <[email protected]>

* Fix LFortran commit log; update date and authors

* Fix date in newsletter filename

* Update authors

Co-authored-by: AlexisPerry <[email protected]>
Co-authored-by: Ondřej Čertík <[email protected]>

Author: 3 people