jobs/swh-environment: Bump Python to 3.10
That job started experiencing issues as Python 3.7 reached EOL so use a more recent Python version (3.10 as in elastic infra) to run the whole SWH tests suite.
Staging instance, all changes can be removed at any time
That job started experiencing issues as Python 3.7 reached EOL so use a more recent Python version (3.10 as in elastic infra) to run the whole SWH tests suite.