Bump github.com/mattermost/mattermost-server/v6 from 6.3.3 to 6.4.0 in /dependabot (#144)

* Bump github.com/mattermost/mattermost-server/v6 in /dependabot

Bumps [github.com/mattermost/mattermost-server/v6](https://github.com/mattermost/mattermost-server) from 6.3.3 to 6.4.0.
- [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/v6.3.3...v6.4.0)

---
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>

* Force mmctl version

Mattermost has not tagged a v6.4.0 mmctl release, and mmctl continues to cause issues with trying to get releases done, so I'm just going to force the version for now.

* Fix typo

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

.github/workflows/release.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Set environment from runtime properties
         run: |
           echo "MATTERMOST_RELEASE=$(grep 'mattermost-server' dependabot/go.mod | cut -d' ' -f2)" >> $GITHUB_ENV
-          echo "MMCTL_RELEASE=$MATTERMOST_RELEASE" >> $GITHUB_ENV
+          echo "MMCTL_RELEASE=v6.3.3" >> $GITHUB_ENV
 
       - name: Pull docker image
         run: 'docker pull "${{ env.DOCKER_IMAGE }}"'

dependabot/go.mod

@@ -3,6 +3,5 @@ module github.com/SmartHoneybee/ubiquitous-memory/dependabot
 go 1.16
 
 require (
-	github.com/mattermost/mattermost-server/v6 v6.3.0
-	github.com/mattermost/mmctl v0.0.0-20211221153052-1bb2fec4c15e
+	github.com/mattermost/mattermost-server/v6 v6.4.0
 )