Agniva De Sarker 98e7bb9ee9 Bump golangci to use 1.18 (#20010) ...

https://mattermost.atlassian.net/browse/MM-42148

```release-note
NONE
```

2022-04-18 13:53:07 +05:30

..

mattermost

Bump golangci to use 1.18 (#20010)

2022-04-18 13:53:07 +05:30