Bump github.com/mattermost/mattermost-server/v6 from 6.1.0 to 6.3.0 (#1686)

Bumps [github.com/mattermost/mattermost-server/v6](https://github.com/mattermost/mattermost-server) from 6.1.0 to 6.3.0.
- [Release notes](https://github.com/mattermost/mattermost-server/releases)
- [Changelog](https://github.com/mattermost/mattermost-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mattermost/mattermost-server/compare/v6.1.0...v6.3.0)

---
updated-dependencies:
- dependency-name: github.com/mattermost/mattermost-server/v6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

vendor/github.com/minio/minio-go/v7/retry.go

@@ -42,7 +42,7 @@ var DefaultRetryCap = time.Second
 
 // newRetryTimer creates a timer with exponentially increasing
 // delays until the maximum retry attempts are reached.
-func (c Client) newRetryTimer(ctx context.Context, maxRetry int, unit time.Duration, cap time.Duration, jitter float64) <-chan int {
+func (c *Client) newRetryTimer(ctx context.Context, maxRetry int, unit time.Duration, cap time.Duration, jitter float64) <-chan int {
 	attemptCh := make(chan int)
 
 	// computes the exponential backoff duration according to
@@ -56,7 +56,7 @@ func (c Client) newRetryTimer(ctx context.Context, maxRetry int, unit time.Durat
 			jitter = MaxJitter
 		}
 
-		//sleep = random_between(0, min(cap, base * 2 ** attempt))
+		// sleep = random_between(0, min(cap, base * 2 ** attempt))
 		sleep := unit * time.Duration(1<<uint(attempt))
 		if sleep > cap {
 			sleep = cap