Bump actions/setup-go from 5 to 6 (#158)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>

Author: dependabot[bot]

.github/workflows/go.yml

@@ -20,7 +20,7 @@ jobs:
       uses: go-task/setup-task@v1
 
     - name: Set up Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: ${{ matrix.go }}