Update the copyright date to 2022 in the headers of every source files

• Update to 2022
• Open ticket for 2023 and link it to this one

changed milestone to %0.11.0

added Easy pick Project labels

marked this issue as related to #267 (closed)

changed due date to December 10, 2021

marked this issue as related to duniterpy#145 (closed)

mentioned in issue #371 (closed)

marked this issue as related to #371 (closed)

removed the relation with #371 (closed)

changed milestone to %0.10.0

mentioned in commit 720d796f

mentioned in merge request !201 (merged)

marked this issue as related to #417 (closed)

marked the checklist item Update to 2022 as completed

marked the checklist item Open ticket for 2023 and link it to this one as completed

assigned to @moul

mentioned in commit b722a3fb

closed with merge request !201 (merged)