Switch go default version to go 118
Go1.18 is the next stable go release. There is already Go1.19 (released 2022-08-02), but we incrementally increase versions. For Go1.18 there are already many bug fix releases (last one 2022-12-06) which gives it a more stable/mature impression.
Cc'ing people who might be affected:
- caddy (@luke)
- hugo (@lu.xu)
- repman, restic (@alain.takoudjou, @jerome)
- galene (@tomo, @alain.takoudjou)
- gitlab (@alain.takoudjou, @jerome, @lpgeneau)
- grafana (@jerome)
- theia (@jerome, @xavier_thompson)
(quoted from dae1747d)
Tests are pending: https://erp5js.nexedi.net/#/test_result_module/20221220-103AD325A
(I'll ping again once they are finished.)
/cc @kirr