Bump golangci version to v1.38.0 (#17154)

* Update golangci to v1.38.0

Co-authored-by: Claudio Costa <cstcld91@gmail.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

vendor/modules.txt

@@ -197,6 +197,8 @@ github.com/francoispqt/gojay
 # github.com/fsnotify/fsnotify v1.4.9
 ## explicit
 github.com/fsnotify/fsnotify
+# github.com/getkin/kin-openapi v0.49.0
+## explicit
 # github.com/getsentry/sentry-go v0.10.0
 ## explicit
 github.com/getsentry/sentry-go
@@ -399,6 +401,8 @@ github.com/mattermost/ldap
 github.com/mattermost/logr
 github.com/mattermost/logr/format
 github.com/mattermost/logr/target
+# github.com/mattermost/mattermost-govet v0.0.0-20210226164958-a9556728767b
+## explicit
 # github.com/mattermost/rsc v0.0.0-20160330161541-bbaefb05eaa0
 ## explicit
 github.com/mattermost/rsc/gf256